21004629

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1\times {\mathrm{479}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 28753920

約数和(自身を除く): 7749291

約数列:

[1, 3, 47, 141, 311, 479, 933, 1437, 14617, 22513, 43851, 67539, 148969, 446907, 7001543, 21004629]

約数ペア:

[(1, 21004629), (3, 7001543), (47, 446907), (141, 148969), (311, 67539), (479, 43851), (933, 22513), (1437, 14617)]