21621179008

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:367

約数の個数: 256

約数和(自身を含む): 52115374080

約数和(自身を除く): 30494195072

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 71, 88, 104, 127, 128, 131, 142, 143, 176, 208, 254, 262, 284, 286, 352, 416, 508, 524, 568, 572, 704, 781, 832, 923, 1016, 1048, 1136, 1144, 1397, 1408, 1441, 1562, 1651, 1664, 1703, 1846, 2032, 2096, 2272, 2288, 2794, 2882, 3124, 3302, 3406, 3692, 4064, 4192, 4544, 4576, 5588, 5764, 6248, 6604, 6812, 7384, 8128, 8384, 9017, 9088, 9152, 9301, 10153, 11176, 11528, 12496, 13208, 13624, 14768, 16256, 16637, 16768, 18034, 18161, 18304, 18602, 18733, 20306, 22352, 23056, 24992, 26416, 27248, 29536, 33274, 36068, 36322, 37204, 37466, 40612, 44704, 46112, 49984, 52832, 54496, 59072, 66548, 72136, 72644, 74408, 74932, 81224, 89408, 92224, 99187, 99968, 102311, 105664, 108992, 117221, 118144, 120913, 133096, 144272, 145288, 148816, 149864, 162448, 178816, 183007, 184448, 198374, 204622, 211328, 216281, 217984, 234442, 241826, 266192, 288544, 290576, 297632, 299728, 324896, 366014, 396748, 409244, 432562, 468884, 483652, 532384, 577088, 581152, 595264, 599456, 649792, 732028, 793496, 818488, 865124, 937768, 967304, 1064768, 1154176, 1162304, 1181227, 1190528, 1198912, 1289431, 1299584, 1330043, 1464056, 1586992, 1636976, 1730248, 1875536, 1934608, 2129536, 2324608, 2362454, 2379091, 2397824, 2578862, 2660086, 2928112, 3173984, 3273952, 3460496, 3751072, 3869216, 4724908, 4758182, 5157724, 5320172, 5856224, 6347968, 6547904, 6920992, 7502144, 7738432, 9449816, 9516364, 10315448, 10640344, 11712448, 12695936, 12993497, 13095808, 13841984, 15004288, 15355951, 15476864, 18899632, 19032728, 20630896, 21280688, 23424896, 25986994, 27683968, 30711902, 37799264, 38065456, 41261792, 42561376, 51973988, 61423804, 75598528, 76130912, 82523584, 85122752, 103947976, 122847608, 151197056, 152261824, 165047168, 168915461, 170245504, 207895952, 245695216, 304523648, 337830922, 415791904, 491390432, 675661844, 831583808, 982780864, 1351323688, 1663167616, 1965561728, 2702647376, 5405294752, 10810589504, 21621179008]

約数ペア:

[(1, 21621179008), (2, 10810589504), (4, 5405294752), (8, 2702647376), (11, 1965561728), (13, 1663167616), (16, 1351323688), (22, 982780864), (26, 831583808), (32, 675661844), (44, 491390432), (52, 415791904), (64, 337830922), (71, 304523648), (88, 245695216), (104, 207895952), (127, 170245504), (128, 168915461), (131, 165047168), (142, 152261824), (143, 151197056), (176, 122847608), (208, 103947976), (254, 85122752), (262, 82523584), (284, 76130912), (286, 75598528), (352, 61423804), (416, 51973988), (508, 42561376), (524, 41261792), (568, 38065456), (572, 37799264), (704, 30711902), (781, 27683968), (832, 25986994), (923, 23424896), (1016, 21280688), (1048, 20630896), (1136, 19032728), (1144, 18899632), (1397, 15476864), (1408, 15355951), (1441, 15004288), (1562, 13841984), (1651, 13095808), (1664, 12993497), (1703, 12695936), (1846, 11712448), (2032, 10640344), (2096, 10315448), (2272, 9516364), (2288, 9449816), (2794, 7738432), (2882, 7502144), (3124, 6920992), (3302, 6547904), (3406, 6347968), (3692, 5856224), (4064, 5320172), (4192, 5157724), (4544, 4758182), (4576, 4724908), (5588, 3869216), (5764, 3751072), (6248, 3460496), (6604, 3273952), (6812, 3173984), (7384, 2928112), (8128, 2660086), (8384, 2578862), (9017, 2397824), (9088, 2379091), (9152, 2362454), (9301, 2324608), (10153, 2129536), (11176, 1934608), (11528, 1875536), (12496, 1730248), (13208, 1636976), (13624, 1586992), (14768, 1464056), (16256, 1330043), (16637, 1299584), (16768, 1289431), (18034, 1198912), (18161, 1190528), (18304, 1181227), (18602, 1162304), (18733, 1154176), (20306, 1064768), (22352, 967304), (23056, 937768), (24992, 865124), (26416, 818488), (27248, 793496), (29536, 732028), (33274, 649792), (36068, 599456), (36322, 595264), (37204, 581152), (37466, 577088), (40612, 532384), (44704, 483652), (46112, 468884), (49984, 432562), (52832, 409244), (54496, 396748), (59072, 366014), (66548, 324896), (72136, 299728), (72644, 297632), (74408, 290576), (74932, 288544), (81224, 266192), (89408, 241826), (92224, 234442), (99187, 217984), (99968, 216281), (102311, 211328), (105664, 204622), (108992, 198374), (117221, 184448), (118144, 183007), (120913, 178816), (133096, 162448), (144272, 149864), (145288, 148816)]