2181228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1129}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 6074880

約数和(自身を除く): 3893652

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1129, 1932, 2258, 3387, 4516, 6774, 7903, 13548, 15806, 23709, 25967, 31612, 47418, 51934, 77901, 94836, 103868, 155802, 181769, 311604, 363538, 545307, 727076, 1090614, 2181228]

約数ペア:

[(1, 2181228), (2, 1090614), (3, 727076), (4, 545307), (6, 363538), (7, 311604), (12, 181769), (14, 155802), (21, 103868), (23, 94836), (28, 77901), (42, 51934), (46, 47418), (69, 31612), (84, 25967), (92, 23709), (138, 15806), (161, 13548), (276, 7903), (322, 6774), (483, 4516), (644, 3387), (966, 2258), (1129, 1932)]