21068265

素因数分解:

$3^1\times 5^1\times {\mathrm{673}}^1\times {\mathrm{2087}}^1$

素因数の和:2768

約数の個数: 16

約数和(自身を含む): 33775488

約数和(自身を除く): 12707223

約数列:

[1, 3, 5, 15, 673, 2019, 2087, 3365, 6261, 10095, 10435, 31305, 1404551, 4213653, 7022755, 21068265]

約数ペア:

[(1, 21068265), (3, 7022755), (5, 4213653), (15, 1404551), (673, 31305), (2019, 10435), (2087, 10095), (3365, 6261)]