21114512

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{10391}}^1$

素因数の和:10526

約数の個数: 20

約数和(自身を含む): 41235456

約数和(自身を除く): 20120944

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 10391, 20782, 41564, 83128, 166256, 1319657, 2639314, 5278628, 10557256, 21114512]

約数ペア:

[(1, 21114512), (2, 10557256), (4, 5278628), (8, 2639314), (16, 1319657), (127, 166256), (254, 83128), (508, 41564), (1016, 20782), (2032, 10391)]