21356772

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{16633}}^1$

素因数の和:16747

約数の個数: 24

約数和(自身を含む): 50301216

約数和(自身を除く): 28944444

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 16633, 33266, 49899, 66532, 99798, 199596, 1779731, 3559462, 5339193, 7118924, 10678386, 21356772]

約数ペア:

[(1, 21356772), (2, 10678386), (3, 7118924), (4, 5339193), (6, 3559462), (12, 1779731), (107, 199596), (214, 99798), (321, 66532), (428, 49899), (642, 33266), (1284, 16633)]