21782559

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{2213}}^1$

素因数の和:2426

約数の個数: 16

約数和(自身を含む): 30925152

約数和(自身を除く): 9142593

約数列:

[1, 3, 17, 51, 193, 579, 2213, 3281, 6639, 9843, 37621, 112863, 427109, 1281327, 7260853, 21782559]

約数ペア:

[(1, 21782559), (3, 7260853), (17, 1281327), (51, 427109), (193, 112863), (579, 37621), (2213, 9843), (3281, 6639)]