21812136

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 56782080

約数和(自身を除く): 34969944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 61, 94, 122, 141, 183, 188, 244, 282, 317, 366, 376, 488, 564, 634, 732, 951, 1128, 1268, 1464, 1902, 2536, 2867, 3804, 5734, 7608, 8601, 11468, 14899, 17202, 19337, 22936, 29798, 34404, 38674, 44697, 58011, 59596, 68808, 77348, 89394, 116022, 119192, 154696, 178788, 232044, 357576, 464088, 908839, 1817678, 2726517, 3635356, 5453034, 7270712, 10906068, 21812136]

約数ペア:

[(1, 21812136), (2, 10906068), (3, 7270712), (4, 5453034), (6, 3635356), (8, 2726517), (12, 1817678), (24, 908839), (47, 464088), (61, 357576), (94, 232044), (122, 178788), (141, 154696), (183, 119192), (188, 116022), (244, 89394), (282, 77348), (317, 68808), (366, 59596), (376, 58011), (488, 44697), (564, 38674), (634, 34404), (732, 29798), (951, 22936), (1128, 19337), (1268, 17202), (1464, 14899), (1902, 11468), (2536, 8601), (2867, 7608), (3804, 5734)]