21925477

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{401}}^1$

素因数の和:588

約数の個数: 16

約数和(自身を含む): 25702272

約数和(自身を除く): 3776795

約数列:

[1, 7, 73, 107, 401, 511, 749, 2807, 7811, 29273, 42907, 54677, 204911, 300349, 3132211, 21925477]

約数ペア:

[(1, 21925477), (7, 3132211), (73, 300349), (107, 204911), (401, 54677), (511, 42907), (749, 29273), (2807, 7811)]