21870690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{729023}}^1$

素因数の和:729033

約数の個数: 16

約数和(自身を含む): 52489728

約数和(自身を除く): 30619038

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 729023, 1458046, 2187069, 3645115, 4374138, 7290230, 10935345, 21870690]

約数ペア:

[(1, 21870690), (2, 10935345), (3, 7290230), (5, 4374138), (6, 3645115), (10, 2187069), (15, 1458046), (30, 729023)]