21130004

素因数分解:

$2^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{2411}}^1$

素因数の和:2735

約数の個数: 24

約数和(自身を含む): 42412608

約数和(自身を除く): 21282604

約数列:

[1, 2, 4, 7, 14, 28, 313, 626, 1252, 2191, 2411, 4382, 4822, 8764, 9644, 16877, 33754, 67508, 754643, 1509286, 3018572, 5282501, 10565002, 21130004]

約数ペア:

[(1, 21130004), (2, 10565002), (4, 5282501), (7, 3018572), (14, 1509286), (28, 754643), (313, 67508), (626, 33754), (1252, 16877), (2191, 9644), (2411, 8764), (4382, 4822)]