21703929

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{3109}}^1$

素因数の和:3304

約数の個数: 16

約数和(自身を含む): 31348800

約数和(自身を除く): 9644871

約数列:

[1, 3, 13, 39, 179, 537, 2327, 3109, 6981, 9327, 40417, 121251, 556511, 1669533, 7234643, 21703929]

約数ペア:

[(1, 21703929), (3, 7234643), (13, 1669533), (39, 556511), (179, 121251), (537, 40417), (2327, 9327), (3109, 6981)]