21166125

素因数分解:

$3^1\times 5^3\times {\mathrm{56443}}^1$

素因数の和:56461

約数の個数: 16

約数和(自身を含む): 35221056

約数和(自身を除く): 14054931

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 56443, 169329, 282215, 846645, 1411075, 4233225, 7055375, 21166125]

約数ペア:

[(1, 21166125), (3, 7055375), (5, 4233225), (15, 1411075), (25, 846645), (75, 282215), (125, 169329), (375, 56443)]