21000751967

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2568271}}^1$

素因数の和:2568338

約数の個数: 16

約数和(自身を含む): 24593772672

約数和(自身を除く): 3593020705

約数列:

[1, 13, 17, 37, 221, 481, 629, 8177, 2568271, 33387523, 43660607, 95026027, 567587891, 1235338351, 1615442459, 21000751967]

約数ペア:

[(1, 21000751967), (13, 1615442459), (17, 1235338351), (37, 567587891), (221, 95026027), (481, 43660607), (629, 33387523), (8177, 2568271)]