21250876

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1033}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 38506160

約数和(自身を除く): 17255284

約数列:

[1, 2, 4, 37, 74, 139, 148, 278, 556, 1033, 2066, 4132, 5143, 10286, 20572, 38221, 76442, 143587, 152884, 287174, 574348, 5312719, 10625438, 21250876]

約数ペア:

[(1, 21250876), (2, 10625438), (4, 5312719), (37, 574348), (74, 287174), (139, 152884), (148, 143587), (278, 76442), (556, 38221), (1033, 20572), (2066, 10286), (4132, 5143)]