21000686706

素因数分解:

$2^1\times 3^2\times {\mathrm{1166704817}}^1$

素因数の和:1166704825

約数の個数: 12

約数和(自身を含む): 45501487902

約数和(自身を除く): 24500801196

約数列:

[1, 2, 3, 6, 9, 18, 1166704817, 2333409634, 3500114451, 7000228902, 10500343353, 21000686706]

約数ペア:

[(1, 21000686706), (2, 10500343353), (3, 7000228902), (6, 3500114451), (9, 2333409634), (18, 1166704817)]