21098044

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43591}}^1$

素因数の和:43617

約数の個数: 18

約数和(自身を含む): 40584152

約数和(自身を除く): 19486108

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 43591, 87182, 174364, 479501, 959002, 1918004, 5274511, 10549022, 21098044]

約数ペア:

[(1, 21098044), (2, 10549022), (4, 5274511), (11, 1918004), (22, 959002), (44, 479501), (121, 174364), (242, 87182), (484, 43591)]