21406416

素因数分解:

$2^4\times 3^1\times {\mathrm{445967}}^1$

素因数の和:445978

約数の個数: 20

約数和(自身を含む): 55300032

約数和(自身を除く): 33893616

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 445967, 891934, 1337901, 1783868, 2675802, 3567736, 5351604, 7135472, 10703208, 21406416]

約数ペア:

[(1, 21406416), (2, 10703208), (3, 7135472), (4, 5351604), (6, 3567736), (8, 2675802), (12, 1783868), (16, 1337901), (24, 891934), (48, 445967)]