21280110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{709337}}^1$

素因数の和:709347

約数の個数: 16

約数和(自身を含む): 51072336

約数和(自身を除く): 29792226

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 709337, 1418674, 2128011, 3546685, 4256022, 7093370, 10640055, 21280110]

約数ペア:

[(1, 21280110), (2, 10640055), (3, 7093370), (5, 4256022), (6, 3546685), (10, 2128011), (15, 1418674), (30, 709337)]