21705525

素因数分解:

$3^2\times 5^2\times {\mathrm{96469}}^1$

素因数の和:96485

約数の個数: 18

約数和(自身を含む): 38877410

約数和(自身を除く): 17171885

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 96469, 289407, 482345, 868221, 1447035, 2411725, 4341105, 7235175, 21705525]

約数ペア:

[(1, 21705525), (3, 7235175), (5, 4341105), (9, 2411725), (15, 1447035), (25, 868221), (45, 482345), (75, 289407), (225, 96469)]