21925715

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{32971}}^1$

素因数の和:33002

約数の個数: 16

約数和(自身を含む): 31653120

約数和(自身を除く): 9727405

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 32971, 164855, 230797, 626449, 1153985, 3132245, 4385143, 21925715]

約数ペア:

[(1, 21925715), (5, 4385143), (7, 3132245), (19, 1153985), (35, 626449), (95, 230797), (133, 164855), (665, 32971)]