21915225

素因数分解:

$3^3\times 5^2\times {\mathrm{32467}}^1$

素因数の和:32486

約数の個数: 24

約数和(自身を含む): 40260320

約数和(自身を除く): 18345095

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 32467, 97401, 162335, 292203, 487005, 811675, 876609, 1461015, 2435025, 4383045, 7305075, 21915225]

約数ペア:

[(1, 21915225), (3, 7305075), (5, 4383045), (9, 2435025), (15, 1461015), (25, 876609), (27, 811675), (45, 487005), (75, 292203), (135, 162335), (225, 97401), (675, 32467)]