21296432

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11779}}^1$

素因数の和:11900

約数の個数: 20

約数和(自身を含む): 41630520

約数和(自身を除く): 20334088

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11779, 23558, 47116, 94232, 188464, 1331027, 2662054, 5324108, 10648216, 21296432]

約数ペア:

[(1, 21296432), (2, 10648216), (4, 5324108), (8, 2662054), (16, 1331027), (113, 188464), (226, 94232), (452, 47116), (904, 23558), (1808, 11779)]