21083820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{351397}}^1$

素因数の和:351409

約数の個数: 24

約数和(自身を含む): 59034864

約数和(自身を除く): 37951044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 351397, 702794, 1054191, 1405588, 1756985, 2108382, 3513970, 4216764, 5270955, 7027940, 10541910, 21083820]

約数ペア:

[(1, 21083820), (2, 10541910), (3, 7027940), (4, 5270955), (5, 4216764), (6, 3513970), (10, 2108382), (12, 1756985), (15, 1405588), (20, 1054191), (30, 702794), (60, 351397)]