21190875

素因数分解:

$3^1\times 5^3\times {\mathrm{56509}}^1$

素因数の和:56527

約数の個数: 16

約数和(自身を含む): 35262240

約数和(自身を除く): 14071365

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 56509, 169527, 282545, 847635, 1412725, 4238175, 7063625, 21190875]

約数ペア:

[(1, 21190875), (3, 7063625), (5, 4238175), (15, 1412725), (25, 847635), (75, 282545), (125, 169527), (375, 56509)]