21137496

素因数分解:

$2^3\times 3^1\times {\mathrm{880729}}^1$

素因数の和:880738

約数の個数: 16

約数和(自身を含む): 52843800

約数和(自身を除く): 31706304

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 880729, 1761458, 2642187, 3522916, 5284374, 7045832, 10568748, 21137496]

約数ペア:

[(1, 21137496), (2, 10568748), (3, 7045832), (4, 5284374), (6, 3522916), (8, 2642187), (12, 1761458), (24, 880729)]