21800475

素因数分解:

$3^3\times 5^2\times {\mathrm{32297}}^1$

素因数の和:32316

約数の個数: 24

約数和(自身を含む): 40049520

約数和(自身を除く): 18249045

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 32297, 96891, 161485, 290673, 484455, 807425, 872019, 1453365, 2422275, 4360095, 7266825, 21800475]

約数ペア:

[(1, 21800475), (3, 7266825), (5, 4360095), (9, 2422275), (15, 1453365), (25, 872019), (27, 807425), (45, 484455), (75, 290673), (135, 161485), (225, 96891), (675, 32297)]