21606711

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2087}}^1$

素因数の和:2143

約数の個数: 32

約数和(自身を含む): 36080640

約数和(自身を除く): 14473929

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 119, 203, 357, 493, 609, 1479, 2087, 3451, 6261, 10353, 14609, 35479, 43827, 60523, 106437, 181569, 248353, 423661, 745059, 1028891, 1270983, 3086673, 7202237, 21606711]

約数ペア:

[(1, 21606711), (3, 7202237), (7, 3086673), (17, 1270983), (21, 1028891), (29, 745059), (51, 423661), (87, 248353), (119, 181569), (203, 106437), (357, 60523), (493, 43827), (609, 35479), (1479, 14609), (2087, 10353), (3451, 6261)]