21798953

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:472

約数の個数: 16

約数和(自身を含む): 24494400

約数和(自身を除く): 2695447

約数列:

[1, 11, 53, 139, 269, 583, 1529, 2959, 7367, 14257, 37391, 81037, 156827, 411301, 1981723, 21798953]

約数ペア:

[(1, 21798953), (11, 1981723), (53, 411301), (139, 156827), (269, 81037), (583, 37391), (1529, 14257), (2959, 7367)]