21342321

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 43610112

約数和(自身を除く): 22267791

約数列:

[1, 3, 7, 9, 11, 13, 21, 23, 33, 39, 63, 69, 77, 91, 99, 103, 117, 143, 161, 207, 231, 253, 273, 299, 309, 429, 483, 693, 721, 759, 819, 897, 927, 1001, 1133, 1287, 1339, 1449, 1771, 2093, 2163, 2277, 2369, 2691, 3003, 3289, 3399, 4017, 5313, 6279, 6489, 7107, 7931, 9009, 9373, 9867, 10197, 12051, 14729, 15939, 16583, 18837, 21321, 23023, 23793, 26059, 28119, 29601, 30797, 44187, 49749, 69069, 71379, 78177, 84357, 92391, 103103, 132561, 149247, 182413, 207207, 215579, 234531, 277173, 309309, 338767, 547239, 646737, 927927, 1016301, 1641717, 1940211, 2371369, 3048903, 7114107, 21342321]

約数ペア:

[(1, 21342321), (3, 7114107), (7, 3048903), (9, 2371369), (11, 1940211), (13, 1641717), (21, 1016301), (23, 927927), (33, 646737), (39, 547239), (63, 338767), (69, 309309), (77, 277173), (91, 234531), (99, 215579), (103, 207207), (117, 182413), (143, 149247), (161, 132561), (207, 103103), (231, 92391), (253, 84357), (273, 78177), (299, 71379), (309, 69069), (429, 49749), (483, 44187), (693, 30797), (721, 29601), (759, 28119), (819, 26059), (897, 23793), (927, 23023), (1001, 21321), (1133, 18837), (1287, 16583), (1339, 15939), (1449, 14729), (1771, 12051), (2093, 10197), (2163, 9867), (2277, 9373), (2369, 9009), (2691, 7931), (3003, 7107), (3289, 6489), (3399, 6279), (4017, 5313)]