21293960

素因数分解:

$2^3\times 5^1\times {\mathrm{532349}}^1$

素因数の和:532360

約数の個数: 16

約数和(自身を含む): 47911500

約数和(自身を除く): 26617540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 532349, 1064698, 2129396, 2661745, 4258792, 5323490, 10646980, 21293960]

約数ペア:

[(1, 21293960), (2, 10646980), (4, 5323490), (5, 4258792), (8, 2661745), (10, 2129396), (20, 1064698), (40, 532349)]