21987372

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{166571}}^1$

素因数の和:166589

約数の個数: 24

約数和(自身を含む): 55968192

約数和(自身を除く): 33980820

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 166571, 333142, 499713, 666284, 999426, 1832281, 1998852, 3664562, 5496843, 7329124, 10993686, 21987372]

約数ペア:

[(1, 21987372), (2, 10993686), (3, 7329124), (4, 5496843), (6, 3664562), (11, 1998852), (12, 1832281), (22, 999426), (33, 666284), (44, 499713), (66, 333142), (132, 166571)]