21191577

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{58379}}^1$

素因数の和:58404

約数の個数: 12

約数和(自身を含む): 31058160

約数和(自身を除く): 9866583

約数列:

[1, 3, 11, 33, 121, 363, 58379, 175137, 642169, 1926507, 7063859, 21191577]

約数ペア:

[(1, 21191577), (3, 7063859), (11, 1926507), (33, 642169), (121, 175137), (363, 58379)]