21534075

素因数分解:

$3^2\times 5^2\times {\mathrm{95707}}^1$

素因数の和:95723

約数の個数: 18

約数和(自身を含む): 38570324

約数和(自身を除く): 17036249

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 95707, 287121, 478535, 861363, 1435605, 2392675, 4306815, 7178025, 21534075]

約数ペア:

[(1, 21534075), (3, 7178025), (5, 4306815), (9, 2392675), (15, 1435605), (25, 861363), (45, 478535), (75, 287121), (225, 95707)]