21345588112

素因数分解:

$2^4\times {\mathrm{523}}^1\times {\mathrm{2550859}}^1$

素因数の和:2551390

約数の個数: 20

約数和(自身を含む): 41436169840

約数和(自身を除く): 20090581728

約数列:

[1, 2, 4, 8, 16, 523, 1046, 2092, 4184, 8368, 2550859, 5101718, 10203436, 20406872, 40813744, 1334099257, 2668198514, 5336397028, 10672794056, 21345588112]

約数ペア:

[(1, 21345588112), (2, 10672794056), (4, 5336397028), (8, 2668198514), (16, 1334099257), (523, 40813744), (1046, 20406872), (2092, 10203436), (4184, 5101718), (8368, 2550859)]