21070294576

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{6241201}}^1$

素因数の和:6241420

約数の個数: 20

約数和(自身を含む): 41017179544

約数和(自身を除く): 19946884968

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 6241201, 12482402, 24964804, 49929608, 99859216, 1316893411, 2633786822, 5267573644, 10535147288, 21070294576]

約数ペア:

[(1, 21070294576), (2, 10535147288), (4, 5267573644), (8, 2633786822), (16, 1316893411), (211, 99859216), (422, 49929608), (844, 24964804), (1688, 12482402), (3376, 6241201)]