21358416

素因数分解:

$2^4\times 3^1\times {\mathrm{444967}}^1$

素因数の和:444978

約数の個数: 20

約数和(自身を含む): 55176032

約数和(自身を除く): 33817616

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 444967, 889934, 1334901, 1779868, 2669802, 3559736, 5339604, 7119472, 10679208, 21358416]

約数ペア:

[(1, 21358416), (2, 10679208), (3, 7119472), (4, 5339604), (6, 3559736), (8, 2669802), (12, 1779868), (16, 1334901), (24, 889934), (48, 444967)]