21863812

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 38936576

約数和(自身を除く): 17072764

約数列:

[1, 2, 4, 127, 193, 223, 254, 386, 446, 508, 772, 892, 24511, 28321, 43039, 49022, 56642, 86078, 98044, 113284, 172156, 5465953, 10931906, 21863812]

約数ペア:

[(1, 21863812), (2, 10931906), (4, 5465953), (127, 172156), (193, 113284), (223, 98044), (254, 86078), (386, 56642), (446, 49022), (508, 43039), (772, 28321), (892, 24511)]