21898888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{248851}}^1$

素因数の和:248868

約数の個数: 16

約数和(自身を含む): 44793360

約数和(自身を除く): 22894472

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 248851, 497702, 995404, 1990808, 2737361, 5474722, 10949444, 21898888]

約数ペア:

[(1, 21898888), (2, 10949444), (4, 5474722), (8, 2737361), (11, 1990808), (22, 995404), (44, 497702), (88, 248851)]