21051798

素因数分解:

$2^1\times 3^1\times {\mathrm{809}}^1\times {\mathrm{4337}}^1$

素因数の和:5151

約数の個数: 16

約数和(自身を含む): 42165360

約数和(自身を除く): 21113562

約数列:

[1, 2, 3, 6, 809, 1618, 2427, 4337, 4854, 8674, 13011, 26022, 3508633, 7017266, 10525899, 21051798]

約数ペア:

[(1, 21051798), (2, 10525899), (3, 7017266), (6, 3508633), (809, 26022), (1618, 13011), (2427, 8674), (4337, 4854)]