21791802524

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{1321}}^1\times {\mathrm{30103}}^1$

素因数の和:31565

約数の個数: 24

約数和(自身を含む): 38444373408

約数和(自身を除く): 16652570884

約数列:

[1, 2, 4, 137, 274, 548, 1321, 2642, 5284, 30103, 60206, 120412, 180977, 361954, 723908, 4124111, 8248222, 16496444, 39766063, 79532126, 159064252, 5447950631, 10895901262, 21791802524]

約数ペア:

[(1, 21791802524), (2, 10895901262), (4, 5447950631), (137, 159064252), (274, 79532126), (548, 39766063), (1321, 16496444), (2642, 8248222), (5284, 4124111), (30103, 723908), (60206, 361954), (120412, 180977)]