21000724806

素因数分解:

$2^1\times 3^1\times {\mathrm{12953}}^1\times {\mathrm{270217}}^1$

素因数の和:283175

約数の個数: 16

約数和(自身を含む): 42004847664

約数和(自身を除く): 21004122858

約数列:

[1, 2, 3, 6, 12953, 25906, 38859, 77718, 270217, 540434, 810651, 1621302, 3500120801, 7000241602, 10500362403, 21000724806]

約数ペア:

[(1, 21000724806), (2, 10500362403), (3, 7000241602), (6, 3500120801), (12953, 1621302), (25906, 810651), (38859, 540434), (77718, 270217)]