21426170

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{16871}}^1$

素因数の和:17005

約数の個数: 16

約数和(自身を含む): 38873088

約数和(自身を除く): 17446918

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 16871, 33742, 84355, 168710, 2142617, 4285234, 10713085, 21426170]

約数ペア:

[(1, 21426170), (2, 10713085), (5, 4285234), (10, 2142617), (127, 168710), (254, 84355), (635, 33742), (1270, 16871)]