21173922

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15277}}^1$

素因数の和:15303

約数の個数: 48

約数和(自身を含む): 57200832

約数和(自身を除く): 36026910

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15277, 30554, 45831, 91662, 106939, 137493, 168047, 213878, 274986, 320817, 336094, 504141, 641634, 962451, 1008282, 1176329, 1512423, 1924902, 2352658, 3024846, 3528987, 7057974, 10586961, 21173922]

約数ペア:

[(1, 21173922), (2, 10586961), (3, 7057974), (6, 3528987), (7, 3024846), (9, 2352658), (11, 1924902), (14, 1512423), (18, 1176329), (21, 1008282), (22, 962451), (33, 641634), (42, 504141), (63, 336094), (66, 320817), (77, 274986), (99, 213878), (126, 168047), (154, 137493), (198, 106939), (231, 91662), (462, 45831), (693, 30554), (1386, 15277)]