21331277

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3083}}^1$

素因数の和:3148

約数の個数: 16

約数和(自身を含む): 25313472

約数和(自身を除く): 3982195

約数列:

[1, 11, 17, 37, 187, 407, 629, 3083, 6919, 33913, 52411, 114071, 576521, 1254781, 1939207, 21331277]

約数ペア:

[(1, 21331277), (11, 1939207), (17, 1254781), (37, 576521), (187, 114071), (407, 52411), (629, 33913), (3083, 6919)]