21796615525

素因数分解:

$5^2\times {\mathrm{30971}}^1\times {\mathrm{28151}}^1$

素因数の和:59132

約数の個数: 12

約数和(自身を含む): 27029636064

約数和(自身を除く): 5233020539

約数列:

[1, 5, 25, 28151, 30971, 140755, 154855, 703775, 774275, 871864621, 4359323105, 21796615525]

約数ペア:

[(1, 21796615525), (5, 4359323105), (25, 871864621), (28151, 774275), (30971, 703775), (140755, 154855)]