21031396088

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{20700193}}^1$

素因数の和:20700326

約数の個数: 16

約数和(自身を含む): 39744372480

約数和(自身を除く): 18712976392

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 20700193, 41400386, 82800772, 165601544, 2628924511, 5257849022, 10515698044, 21031396088]

約数ペア:

[(1, 21031396088), (2, 10515698044), (4, 5257849022), (8, 2628924511), (127, 165601544), (254, 82800772), (508, 41400386), (1016, 20700193)]