21066693

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{863}}^1$

素因数の和:1048

約数の個数: 16

約数和(自身を含む): 28753920

約数和(自身を除く): 7687227

約数列:

[1, 3, 79, 103, 237, 309, 863, 2589, 8137, 24411, 68177, 88889, 204531, 266667, 7022231, 21066693]

約数ペア:

[(1, 21066693), (3, 7022231), (79, 266667), (103, 204531), (237, 88889), (309, 68177), (863, 24411), (2589, 8137)]