21020634

素因数分解:

$2^1\times 3^4\times {\mathrm{129757}}^1$

素因数の和:129771

約数の個数: 20

約数和(自身を含む): 47102154

約数和(自身を除く): 26081520

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 129757, 259514, 389271, 778542, 1167813, 2335626, 3503439, 7006878, 10510317, 21020634]

約数ペア:

[(1, 21020634), (2, 10510317), (3, 7006878), (6, 3503439), (9, 2335626), (18, 1167813), (27, 778542), (54, 389271), (81, 259514), (162, 129757)]