21413854

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12641}}^1$

素因数の和:12672

約数の個数: 24

約数和(自身を含む): 40353264

約数和(自身を除く): 18939410

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 12641, 25282, 88487, 139051, 176974, 278102, 973357, 1529561, 1946714, 3059122, 10706927, 21413854]

約数ペア:

[(1, 21413854), (2, 10706927), (7, 3059122), (11, 1946714), (14, 1529561), (22, 973357), (77, 278102), (121, 176974), (154, 139051), (242, 88487), (847, 25282), (1694, 12641)]