21726225

素因数分解:

$3^4\times 5^2\times {\mathrm{10729}}^1$

素因数の和:10751

約数の個数: 30

約数和(自身を含む): 40248230

約数和(自身を除く): 18522005

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 10729, 32187, 53645, 96561, 160935, 268225, 289683, 482805, 804675, 869049, 1448415, 2414025, 4345245, 7242075, 21726225]

約数ペア:

[(1, 21726225), (3, 7242075), (5, 4345245), (9, 2414025), (15, 1448415), (25, 869049), (27, 804675), (45, 482805), (75, 289683), (81, 268225), (135, 160935), (225, 96561), (405, 53645), (675, 32187), (2025, 10729)]