21842316

素因数分解:

$2^2\times 3^2\times {\mathrm{606731}}^1$

素因数の和:606741

約数の個数: 18

約数和(自身を含む): 55212612

約数和(自身を除く): 33370296

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 606731, 1213462, 1820193, 2426924, 3640386, 5460579, 7280772, 10921158, 21842316]

約数ペア:

[(1, 21842316), (2, 10921158), (3, 7280772), (4, 5460579), (6, 3640386), (9, 2426924), (12, 1820193), (18, 1213462), (36, 606731)]