21149953

素因数分解:

${\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{3719}}^1$

素因数の和:3788

約数の個数: 12

約数和(自身を含む): 23748480

約数和(自身を除く): 2598527

約数列:

[1, 11, 47, 121, 517, 3719, 5687, 40909, 174793, 449999, 1922723, 21149953]

約数ペア:

[(1, 21149953), (11, 1922723), (47, 449999), (121, 174793), (517, 40909), (3719, 5687)]