21104397710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17441651}}^1$

素因数の和:17441680

約数の個数: 24

約数和(自身を含む): 41755314888

約数和(自身を除く): 20650917178

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 17441651, 34883302, 87208255, 174416510, 191858161, 383716322, 959290805, 1918581610, 2110439771, 4220879542, 10552198855, 21104397710]

約数ペア:

[(1, 21104397710), (2, 10552198855), (5, 4220879542), (10, 2110439771), (11, 1918581610), (22, 959290805), (55, 383716322), (110, 191858161), (121, 174416510), (242, 87208255), (605, 34883302), (1210, 17441651)]