21728264

素因数分解:

$2^3\times {\mathrm{443}}^1\times {\mathrm{6131}}^1$

素因数の和:6580

約数の個数: 16

約数和(自身を含む): 40839120

約数和(自身を除く): 19110856

約数列:

[1, 2, 4, 8, 443, 886, 1772, 3544, 6131, 12262, 24524, 49048, 2716033, 5432066, 10864132, 21728264]

約数ペア:

[(1, 21728264), (2, 10864132), (4, 5432066), (8, 2716033), (443, 49048), (886, 24524), (1772, 12262), (3544, 6131)]