21499830

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:176

約数の個数: 160

約数和(自身を含む): 66908160

約数和(自身を除く): 45408330

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 27, 30, 33, 38, 45, 54, 55, 57, 66, 81, 90, 95, 99, 110, 114, 127, 135, 162, 165, 171, 190, 198, 209, 254, 270, 285, 297, 330, 342, 381, 405, 418, 495, 513, 570, 594, 627, 635, 762, 810, 855, 891, 990, 1026, 1045, 1143, 1254, 1270, 1397, 1485, 1539, 1710, 1782, 1881, 1905, 2090, 2286, 2413, 2565, 2794, 2970, 3078, 3135, 3429, 3762, 3810, 4191, 4455, 4826, 5130, 5643, 5715, 6270, 6858, 6985, 7239, 7695, 8382, 8910, 9405, 10287, 11286, 11430, 12065, 12573, 13970, 14478, 15390, 16929, 17145, 18810, 20574, 20955, 21717, 24130, 25146, 26543, 28215, 33858, 34290, 36195, 37719, 41910, 43434, 51435, 53086, 56430, 62865, 65151, 72390, 75438, 79629, 84645, 102870, 108585, 113157, 125730, 130302, 132715, 159258, 169290, 188595, 195453, 217170, 226314, 238887, 265430, 325755, 377190, 390906, 398145, 477774, 565785, 651510, 716661, 796290, 977265, 1131570, 1194435, 1433322, 1954530, 2149983, 2388870, 3583305, 4299966, 7166610, 10749915, 21499830]

約数ペア:

[(1, 21499830), (2, 10749915), (3, 7166610), (5, 4299966), (6, 3583305), (9, 2388870), (10, 2149983), (11, 1954530), (15, 1433322), (18, 1194435), (19, 1131570), (22, 977265), (27, 796290), (30, 716661), (33, 651510), (38, 565785), (45, 477774), (54, 398145), (55, 390906), (57, 377190), (66, 325755), (81, 265430), (90, 238887), (95, 226314), (99, 217170), (110, 195453), (114, 188595), (127, 169290), (135, 159258), (162, 132715), (165, 130302), (171, 125730), (190, 113157), (198, 108585), (209, 102870), (254, 84645), (270, 79629), (285, 75438), (297, 72390), (330, 65151), (342, 62865), (381, 56430), (405, 53086), (418, 51435), (495, 43434), (513, 41910), (570, 37719), (594, 36195), (627, 34290), (635, 33858), (762, 28215), (810, 26543), (855, 25146), (891, 24130), (990, 21717), (1026, 20955), (1045, 20574), (1143, 18810), (1254, 17145), (1270, 16929), (1397, 15390), (1485, 14478), (1539, 13970), (1710, 12573), (1782, 12065), (1881, 11430), (1905, 11286), (2090, 10287), (2286, 9405), (2413, 8910), (2565, 8382), (2794, 7695), (2970, 7239), (3078, 6985), (3135, 6858), (3429, 6270), (3762, 5715), (3810, 5643), (4191, 5130), (4455, 4826)]