21435825

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{6971}}^1$

素因数の和:7025

約数の個数: 24

約数和(自身を含む): 36310176

約数和(自身を除く): 14874351

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 6971, 20913, 34855, 104565, 174275, 285811, 522825, 857433, 1429055, 4287165, 7145275, 21435825]

約数ペア:

[(1, 21435825), (3, 7145275), (5, 4287165), (15, 1429055), (25, 857433), (41, 522825), (75, 285811), (123, 174275), (205, 104565), (615, 34855), (1025, 20913), (3075, 6971)]