21120690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{704023}}^1$

素因数の和:704033

約数の個数: 16

約数和(自身を含む): 50689728

約数和(自身を除く): 29569038

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 704023, 1408046, 2112069, 3520115, 4224138, 7040230, 10560345, 21120690]

約数ペア:

[(1, 21120690), (2, 10560345), (3, 7040230), (5, 4224138), (6, 3520115), (10, 2112069), (15, 1408046), (30, 704023)]