21375675

素因数分解:

$3^2\times 5^2\times {\mathrm{95003}}^1$

素因数の和:95019

約数の個数: 18

約数和(自身を含む): 38286612

約数和(自身を除く): 16910937

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 95003, 285009, 475015, 855027, 1425045, 2375075, 4275135, 7125225, 21375675]

約数ペア:

[(1, 21375675), (3, 7125225), (5, 4275135), (9, 2375075), (15, 1425045), (25, 855027), (45, 475015), (75, 285009), (225, 95003)]