21311058

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{82601}}^1$

素因数の和:82649

約数の個数: 16

約数和(自身を含む): 43613856

約数和(自身を除く): 22302798

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 82601, 165202, 247803, 495606, 3551843, 7103686, 10655529, 21311058]

約数ペア:

[(1, 21311058), (2, 10655529), (3, 7103686), (6, 3551843), (43, 495606), (86, 247803), (129, 165202), (258, 82601)]