21608085

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1499}}^1$

素因数の和:1569

約数の個数: 24

約数和(自身を含む): 35748000

約数和(自身を除く): 14139915

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 961, 1499, 2883, 4497, 4805, 7495, 14415, 22485, 46469, 139407, 232345, 697035, 1440539, 4321617, 7202695, 21608085]

約数ペア:

[(1, 21608085), (3, 7202695), (5, 4321617), (15, 1440539), (31, 697035), (93, 232345), (155, 139407), (465, 46469), (961, 22485), (1499, 14415), (2883, 7495), (4497, 4805)]