21160084

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{480911}}^1$

素因数の和:480926

約数の個数: 12

約数和(自身を含む): 40396608

約数和(自身を除く): 19236524

約数列:

[1, 2, 4, 11, 22, 44, 480911, 961822, 1923644, 5290021, 10580042, 21160084]

約数ペア:

[(1, 21160084), (2, 10580042), (4, 5290021), (11, 1923644), (22, 961822), (44, 480911)]