0 .   596 = 2^2 * 149
1 .   1349 = 19 * 71
2 .   1936 = 2^4 * 11^2
3 .   25028 = 2^2 * 6257
4 .   56321 = 17 * 3313
5 .   89468 = 2^2 * 22367
6 .   201311 = 11 * 18301
7 .   494138 = 2 * 247069
8 .   741209 = 7 * 19 * 5573
9 .   1354417 = 173 * 7829
10 .   1902620 = 2^2 * 5 * 95131
11 .   7705664 = 2^6 * 120401
12 .   87773057 = 17^2 * 303713
13 .   221407253 = 97 * 2282549
14 .   554659504 = 2^4 * 7 * 4952317
15 .   3610239740 = 2^2 * 5 * 180511987
16 .   14621471000 = 2^3 * 5^3 * 2657 * 5503
17 .   710710627031 = 43 * 44351 * 372667
18 .   1782458300797 = 14929 * 119395693
19 .   2350065440248 = 2^3 * 17 * 409 * 42249127
20 .   22452918600653 = 89 * 39113 * 6450029
21 .   92550875772851 = 92550875772851