21911166

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{28309}}^1$

素因数の和:28360

約数の個数: 24

約数和(自身を含む): 48579960

約数和(自身を除く): 26668794

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 28309, 56618, 84927, 169854, 254781, 509562, 1217287, 2434574, 3651861, 7303722, 10955583, 21911166]

約数ペア:

[(1, 21911166), (2, 10955583), (3, 7303722), (6, 3651861), (9, 2434574), (18, 1217287), (43, 509562), (86, 254781), (129, 169854), (258, 84927), (387, 56618), (774, 28309)]