21813308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{495757}}^1$

素因数の和:495772

約数の個数: 12

約数和(自身を含む): 41643672

約数和(自身を除く): 19830364

約数列:

[1, 2, 4, 11, 22, 44, 495757, 991514, 1983028, 5453327, 10906654, 21813308]

約数ペア:

[(1, 21813308), (2, 10906654), (4, 5453327), (11, 1983028), (22, 991514), (44, 495757)]