21890125

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{4733}}^1$

素因数の和:4785

約数の個数: 16

約数和(自身を含む): 28063152

約数和(自身を除く): 6173027

約数列:

[1, 5, 25, 37, 125, 185, 925, 4625, 4733, 23665, 118325, 175121, 591625, 875605, 4378025, 21890125]

約数ペア:

[(1, 21890125), (5, 4378025), (25, 875605), (37, 591625), (125, 175121), (185, 118325), (925, 23665), (4625, 4733)]