21096284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{479461}}^1$

素因数の和:479476

約数の個数: 12

約数和(自身を含む): 40274808

約数和(自身を除く): 19178524

約数列:

[1, 2, 4, 11, 22, 44, 479461, 958922, 1917844, 5274071, 10548142, 21096284]

約数ペア:

[(1, 21096284), (2, 10548142), (4, 5274071), (11, 1917844), (22, 958922), (44, 479461)]