21720912

素因数分解:

$2^4\times 3^1\times {\mathrm{452519}}^1$

素因数の和:452530

約数の個数: 20

約数和(自身を含む): 56112480

約数和(自身を除く): 34391568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 452519, 905038, 1357557, 1810076, 2715114, 3620152, 5430228, 7240304, 10860456, 21720912]

約数ペア:

[(1, 21720912), (2, 10860456), (3, 7240304), (4, 5430228), (6, 3620152), (8, 2715114), (12, 1810076), (16, 1357557), (24, 905038), (48, 452519)]