21840533

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{937}}^1$

素因数の和:1124

約数の個数: 16

約数和(自身を含む): 25843776

約数和(自身を除く): 4003243

約数列:

[1, 11, 13, 143, 163, 937, 1793, 2119, 10307, 12181, 23309, 133991, 152731, 1680041, 1985503, 21840533]

約数ペア:

[(1, 21840533), (11, 1985503), (13, 1680041), (143, 152731), (163, 133991), (937, 23309), (1793, 12181), (2119, 10307)]