21282472

素因数分解:

$2^3\times {\mathrm{239}}^1\times {\mathrm{11131}}^1$

素因数の和:11376

約数の個数: 16

約数和(自身を含む): 40075200

約数和(自身を除く): 18792728

約数列:

[1, 2, 4, 8, 239, 478, 956, 1912, 11131, 22262, 44524, 89048, 2660309, 5320618, 10641236, 21282472]

約数ペア:

[(1, 21282472), (2, 10641236), (4, 5320618), (8, 2660309), (239, 89048), (478, 44524), (956, 22262), (1912, 11131)]