21806568

素因数分解:

$2^3\times 3^2\times 7^3\times {\mathrm{883}}^1$

素因数の和:916

約数の個数: 96

約数和(自身を含む): 68952000

約数和(自身を除く): 47145432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 343, 392, 441, 504, 588, 686, 882, 883, 1029, 1176, 1372, 1764, 1766, 2058, 2649, 2744, 3087, 3528, 3532, 4116, 5298, 6174, 6181, 7064, 7947, 8232, 10596, 12348, 12362, 15894, 18543, 21192, 24696, 24724, 31788, 37086, 43267, 49448, 55629, 63576, 74172, 86534, 111258, 129801, 148344, 173068, 222516, 259602, 302869, 346136, 389403, 445032, 519204, 605738, 778806, 908607, 1038408, 1211476, 1557612, 1817214, 2422952, 2725821, 3115224, 3634428, 5451642, 7268856, 10903284, 21806568]

約数ペア:

[(1, 21806568), (2, 10903284), (3, 7268856), (4, 5451642), (6, 3634428), (7, 3115224), (8, 2725821), (9, 2422952), (12, 1817214), (14, 1557612), (18, 1211476), (21, 1038408), (24, 908607), (28, 778806), (36, 605738), (42, 519204), (49, 445032), (56, 389403), (63, 346136), (72, 302869), (84, 259602), (98, 222516), (126, 173068), (147, 148344), (168, 129801), (196, 111258), (252, 86534), (294, 74172), (343, 63576), (392, 55629), (441, 49448), (504, 43267), (588, 37086), (686, 31788), (882, 24724), (883, 24696), (1029, 21192), (1176, 18543), (1372, 15894), (1764, 12362), (1766, 12348), (2058, 10596), (2649, 8232), (2744, 7947), (3087, 7064), (3528, 6181), (3532, 6174), (4116, 5298)]