21498075

素因数分解:

$3^3\times 5^2\times {\mathrm{31849}}^1$

素因数の和:31868

約数の個数: 24

約数和(自身を含む): 39494000

約数和(自身を除く): 17995925

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 31849, 95547, 159245, 286641, 477735, 796225, 859923, 1433205, 2388675, 4299615, 7166025, 21498075]

約数ペア:

[(1, 21498075), (3, 7166025), (5, 4299615), (9, 2388675), (15, 1433205), (25, 859923), (27, 796225), (45, 477735), (75, 286641), (135, 159245), (225, 95547), (675, 31849)]