21881044

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1321}}^1$

素因数の和:1467

約数の個数: 24

約数和(自身を含む): 39644136

約数和(自身を除く): 17763092

約数列:

[1, 2, 4, 41, 82, 101, 164, 202, 404, 1321, 2642, 4141, 5284, 8282, 16564, 54161, 108322, 133421, 216644, 266842, 533684, 5470261, 10940522, 21881044]

約数ペア:

[(1, 21881044), (2, 10940522), (4, 5470261), (41, 533684), (82, 266842), (101, 216644), (164, 133421), (202, 108322), (404, 54161), (1321, 16564), (2642, 8282), (4141, 5284)]