21781262

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{2957}}^1$

素因数の和:3115

約数の個数: 16

約数和(自身を含む): 34076160

約数和(自身を除く): 12294898

約数列:

[1, 2, 29, 58, 127, 254, 2957, 3683, 5914, 7366, 85753, 171506, 375539, 751078, 10890631, 21781262]

約数ペア:

[(1, 21781262), (2, 10890631), (29, 751078), (58, 375539), (127, 171506), (254, 85753), (2957, 7366), (3683, 5914)]