2021013136

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{1117817}}^1$

素因数の和:1117938

約数の個数: 20

約数和(自身を含む): 3950368812

約数和(自身を除く): 1929355676

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 1117817, 2235634, 4471268, 8942536, 17885072, 126313321, 252626642, 505253284, 1010506568, 2021013136]

約数ペア:

[(1, 2021013136), (2, 1010506568), (4, 505253284), (8, 252626642), (16, 126313321), (113, 17885072), (226, 8942536), (452, 4471268), (904, 2235634), (1808, 1117817)]