21899151

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1579}}^1$

素因数の和:1675

約数の個数: 24

約数和(自身を含む): 33521280

約数和(自身を除く): 11622129

約数列:

[1, 3, 9, 23, 67, 69, 201, 207, 603, 1541, 1579, 4623, 4737, 13869, 14211, 36317, 105793, 108951, 317379, 326853, 952137, 2433239, 7299717, 21899151]

約数ペア:

[(1, 21899151), (3, 7299717), (9, 2433239), (23, 952137), (67, 326853), (69, 317379), (201, 108951), (207, 105793), (603, 36317), (1541, 14211), (1579, 13869), (4623, 4737)]