21905670721

素因数分解:

${\mathrm{11}}^2\times {\mathrm{677}}^1\times {\mathrm{267413}}^1$

素因数の和:268112

約数の個数: 12

約数和(自身を含む): 24113790036

約数和(自身を除く): 2208119315

約数列:

[1, 11, 121, 677, 7447, 81917, 267413, 2941543, 32356973, 181038601, 1991424611, 21905670721]

約数ペア:

[(1, 21905670721), (11, 1991424611), (121, 181038601), (677, 32356973), (7447, 2941543), (81917, 267413)]