21757914

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{28111}}^1$

素因数の和:28162

約数の個数: 24

約数和(自身を含む): 48240192

約数和(自身を除く): 26482278

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 28111, 56222, 84333, 168666, 252999, 505998, 1208773, 2417546, 3626319, 7252638, 10878957, 21757914]

約数ペア:

[(1, 21757914), (2, 10878957), (3, 7252638), (6, 3626319), (9, 2417546), (18, 1208773), (43, 505998), (86, 252999), (129, 168666), (258, 84333), (387, 56222), (774, 28111)]