21050548609

素因数分解:

${\mathrm{19}}^2\times {\mathrm{1609}}^1\times {\mathrm{36241}}^1$

素因数の和:37888

約数の個数: 12

約数和(自身を含む): 22231205220

約数和(自身を除く): 1180656611

約数列:

[1, 19, 361, 1609, 30571, 36241, 580849, 688579, 13083001, 58311769, 1107923611, 21050548609]

約数ペア:

[(1, 21050548609), (19, 1107923611), (361, 58311769), (1609, 13083001), (30571, 688579), (36241, 580849)]