21433491

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{2473}}^1$

素因数の和:2592

約数の個数: 20

約数和(自身を含む): 32330232

約数和(自身を除く): 10896741

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2473, 2889, 7419, 8667, 22257, 66771, 200313, 264611, 793833, 2381499, 7144497, 21433491]

約数ペア:

[(1, 21433491), (3, 7144497), (9, 2381499), (27, 793833), (81, 264611), (107, 200313), (321, 66771), (963, 22257), (2473, 8667), (2889, 7419)]