21937355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{2447}}^1$

素因数の和:2626

約数の個数: 16

約数和(自身を含む): 28905984

約数和(自身を除く): 6968629

約数列:

[1, 5, 11, 55, 163, 815, 1793, 2447, 8965, 12235, 26917, 134585, 398861, 1994305, 4387471, 21937355]

約数ペア:

[(1, 21937355), (5, 4387471), (11, 1994305), (55, 398861), (163, 134585), (815, 26917), (1793, 12235), (2447, 8965)]