21335051

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 23491296

約数和(自身を除く): 2156245

約数列:

[1, 17, 37, 107, 317, 629, 1819, 3959, 5389, 11729, 33919, 67303, 199393, 576623, 1255003, 21335051]

約数ペア:

[(1, 21335051), (17, 1255003), (37, 576623), (107, 199393), (317, 67303), (629, 33919), (1819, 11729), (3959, 5389)]