21356976

素因数分解:

$2^4\times 3^1\times {\mathrm{444937}}^1$

素因数の和:444948

約数の個数: 20

約数和(自身を含む): 55172312

約数和(自身を除く): 33815336

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 444937, 889874, 1334811, 1779748, 2669622, 3559496, 5339244, 7118992, 10678488, 21356976]

約数ペア:

[(1, 21356976), (2, 10678488), (3, 7118992), (4, 5339244), (6, 3559496), (8, 2669622), (12, 1779748), (16, 1334811), (24, 889874), (48, 444937)]