21279876

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{77101}}^1$

素因数の和:77131

約数の個数: 24

約数和(自身を含む): 51812544

約数和(自身を除く): 30532668

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 77101, 154202, 231303, 308404, 462606, 925212, 1773323, 3546646, 5319969, 7093292, 10639938, 21279876]

約数ペア:

[(1, 21279876), (2, 10639938), (3, 7093292), (4, 5319969), (6, 3546646), (12, 1773323), (23, 925212), (46, 462606), (69, 308404), (92, 231303), (138, 154202), (276, 77101)]