210008090908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{681844451}}^1$

素因数の和:681844473

約数の個数: 24

約数和(自身を含む): 458199471744

約数和(自身を除く): 248191380836

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 681844451, 1363688902, 2727377804, 4772911157, 7500288961, 9545822314, 15000577922, 19091644628, 30001155844, 52502022727, 105004045454, 210008090908]

約数ペア:

[(1, 210008090908), (2, 105004045454), (4, 52502022727), (7, 30001155844), (11, 19091644628), (14, 15000577922), (22, 9545822314), (28, 7500288961), (44, 4772911157), (77, 2727377804), (154, 1363688902), (308, 681844451)]