21134555368

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{10279453}}^1$

素因数の和:10279716

約数の個数: 16

約数和(自身を含む): 39781486980

約数和(自身を除く): 18646931612

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 10279453, 20558906, 41117812, 82235624, 2641819421, 5283638842, 10567277684, 21134555368]

約数ペア:

[(1, 21134555368), (2, 10567277684), (4, 5283638842), (8, 2641819421), (257, 82235624), (514, 41117812), (1028, 20558906), (2056, 10279453)]