21081201024

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4729}}^1$

素因数の和:4825

約数の個数: 256

約数和(自身を含む): 64842624000

約数和(自身を除く): 43761422976

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 47, 48, 52, 57, 64, 76, 78, 94, 96, 104, 114, 128, 141, 152, 156, 188, 192, 208, 228, 247, 282, 304, 312, 376, 384, 416, 456, 494, 564, 608, 611, 624, 741, 752, 832, 893, 912, 988, 1128, 1216, 1222, 1248, 1482, 1504, 1664, 1786, 1824, 1833, 1976, 2256, 2432, 2444, 2496, 2679, 2964, 3008, 3572, 3648, 3666, 3952, 4512, 4729, 4888, 4992, 5358, 5928, 6016, 7144, 7296, 7332, 7904, 9024, 9458, 9776, 10716, 11609, 11856, 14187, 14288, 14664, 15808, 18048, 18916, 19552, 21432, 23218, 23712, 28374, 28576, 29328, 31616, 34827, 37832, 39104, 42864, 46436, 47424, 56748, 57152, 58656, 61477, 69654, 75664, 78208, 85728, 89851, 92872, 94848, 113496, 114304, 117312, 122954, 139308, 151328, 171456, 179702, 184431, 185744, 222263, 226992, 234624, 245908, 269553, 278616, 302656, 342912, 359404, 368862, 371488, 444526, 453984, 491816, 539106, 557232, 605312, 666789, 718808, 737724, 742976, 889052, 907968, 983632, 1078212, 1114464, 1168063, 1333578, 1437616, 1475448, 1485952, 1778104, 1815936, 1967264, 2156424, 2228928, 2336126, 2667156, 2875232, 2889419, 2950896, 3504189, 3556208, 3934528, 4222997, 4312848, 4457856, 4672252, 5334312, 5750464, 5778838, 5901792, 7008378, 7112416, 7869056, 8445994, 8625696, 8668257, 9344504, 10668624, 11500928, 11557676, 11803584, 12668991, 14016756, 14224832, 16891988, 17251392, 17336514, 18689008, 21337248, 23115352, 23607168, 25337982, 28033512, 28449664, 33783976, 34502784, 34673028, 37378016, 42674496, 46230704, 50675964, 54898961, 56067024, 67567952, 69346056, 74756032, 85348992, 92461408, 101351928, 109797922, 112134048, 135135904, 138692112, 149512064, 164696883, 184922816, 202703856, 219595844, 224268096, 270271808, 277384224, 329393766, 369845632, 405407712, 439191688, 448536192, 540543616, 554768448, 658787532, 810815424, 878383376, 1109536896, 1317575064, 1621630848, 1756766752, 2635150128, 3513533504, 5270300256, 7027067008, 10540600512, 21081201024]

約数ペア:

[(1, 21081201024), (2, 10540600512), (3, 7027067008), (4, 5270300256), (6, 3513533504), (8, 2635150128), (12, 1756766752), (13, 1621630848), (16, 1317575064), (19, 1109536896), (24, 878383376), (26, 810815424), (32, 658787532), (38, 554768448), (39, 540543616), (47, 448536192), (48, 439191688), (52, 405407712), (57, 369845632), (64, 329393766), (76, 277384224), (78, 270271808), (94, 224268096), (96, 219595844), (104, 202703856), (114, 184922816), (128, 164696883), (141, 149512064), (152, 138692112), (156, 135135904), (188, 112134048), (192, 109797922), (208, 101351928), (228, 92461408), (247, 85348992), (282, 74756032), (304, 69346056), (312, 67567952), (376, 56067024), (384, 54898961), (416, 50675964), (456, 46230704), (494, 42674496), (564, 37378016), (608, 34673028), (611, 34502784), (624, 33783976), (741, 28449664), (752, 28033512), (832, 25337982), (893, 23607168), (912, 23115352), (988, 21337248), (1128, 18689008), (1216, 17336514), (1222, 17251392), (1248, 16891988), (1482, 14224832), (1504, 14016756), (1664, 12668991), (1786, 11803584), (1824, 11557676), (1833, 11500928), (1976, 10668624), (2256, 9344504), (2432, 8668257), (2444, 8625696), (2496, 8445994), (2679, 7869056), (2964, 7112416), (3008, 7008378), (3572, 5901792), (3648, 5778838), (3666, 5750464), (3952, 5334312), (4512, 4672252), (4729, 4457856), (4888, 4312848), (4992, 4222997), (5358, 3934528), (5928, 3556208), (6016, 3504189), (7144, 2950896), (7296, 2889419), (7332, 2875232), (7904, 2667156), (9024, 2336126), (9458, 2228928), (9776, 2156424), (10716, 1967264), (11609, 1815936), (11856, 1778104), (14187, 1485952), (14288, 1475448), (14664, 1437616), (15808, 1333578), (18048, 1168063), (18916, 1114464), (19552, 1078212), (21432, 983632), (23218, 907968), (23712, 889052), (28374, 742976), (28576, 737724), (29328, 718808), (31616, 666789), (34827, 605312), (37832, 557232), (39104, 539106), (42864, 491816), (46436, 453984), (47424, 444526), (56748, 371488), (57152, 368862), (58656, 359404), (61477, 342912), (69654, 302656), (75664, 278616), (78208, 269553), (85728, 245908), (89851, 234624), (92872, 226992), (94848, 222263), (113496, 185744), (114304, 184431), (117312, 179702), (122954, 171456), (139308, 151328)]