21556041

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{1231}}^1$

素因数の和:1696

約数の個数: 16

約数和(自身を含む): 31046400

約数和(自身を除く): 9490359

約数列:

[1, 3, 13, 39, 449, 1231, 1347, 3693, 5837, 16003, 17511, 48009, 552719, 1658157, 7185347, 21556041]

約数ペア:

[(1, 21556041), (3, 7185347), (13, 1658157), (39, 552719), (449, 48009), (1231, 17511), (1347, 16003), (3693, 5837)]