21186702

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{883}}^1$

素因数の和:965

約数の個数: 48

約数和(自身を含む): 48542208

約数和(自身を除く): 27355506

約数列:

[1, 2, 3, 6, 9, 18, 31, 43, 62, 86, 93, 129, 186, 258, 279, 387, 558, 774, 883, 1333, 1766, 2649, 2666, 3999, 5298, 7947, 7998, 11997, 15894, 23994, 27373, 37969, 54746, 75938, 82119, 113907, 164238, 227814, 246357, 341721, 492714, 683442, 1177039, 2354078, 3531117, 7062234, 10593351, 21186702]

約数ペア:

[(1, 21186702), (2, 10593351), (3, 7062234), (6, 3531117), (9, 2354078), (18, 1177039), (31, 683442), (43, 492714), (62, 341721), (86, 246357), (93, 227814), (129, 164238), (186, 113907), (258, 82119), (279, 75938), (387, 54746), (558, 37969), (774, 27373), (883, 23994), (1333, 15894), (1766, 11997), (2649, 7998), (2666, 7947), (3999, 5298)]