21902309

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1579}}^1$

素因数の和:1700

約数の個数: 16

約数和(自身を含む): 26013120

約数和(自身を除く): 4110811

約数列:

[1, 11, 13, 97, 143, 1067, 1261, 1579, 13871, 17369, 20527, 153163, 225797, 1684793, 1991119, 21902309]

約数ペア:

[(1, 21902309), (11, 1991119), (13, 1684793), (97, 225797), (143, 153163), (1067, 20527), (1261, 17369), (1579, 13871)]