21531159

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1129}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 33728240

約数和(自身を除く): 12197081

約数列:

[1, 3, 9, 13, 39, 117, 163, 489, 1129, 1467, 2119, 3387, 6357, 10161, 14677, 19071, 44031, 132093, 184027, 552081, 1656243, 2392351, 7177053, 21531159]

約数ペア:

[(1, 21531159), (3, 7177053), (9, 2392351), (13, 1656243), (39, 552081), (117, 184027), (163, 132093), (489, 44031), (1129, 19071), (1467, 14677), (2119, 10161), (3387, 6357)]