21893175

素因数分解:

$3^2\times 5^2\times {\mathrm{97303}}^1$

素因数の和:97319

約数の個数: 18

約数和(自身を含む): 39213512

約数和(自身を除く): 17320337

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 97303, 291909, 486515, 875727, 1459545, 2432575, 4378635, 7297725, 21893175]

約数ペア:

[(1, 21893175), (3, 7297725), (5, 4378635), (9, 2432575), (15, 1459545), (25, 875727), (45, 486515), (75, 291909), (225, 97303)]