21128320512

素因数分解:

$2^9\times 3^2\times {\mathrm{13}}^3\times {\mathrm{2087}}^1$

素因数の和:2150

約数の個数: 240

約数和(自身を含む): 66088582560

約数和(自身を除く): 44960262048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 169, 192, 208, 234, 256, 288, 312, 338, 384, 416, 468, 507, 512, 576, 624, 676, 768, 832, 936, 1014, 1152, 1248, 1352, 1521, 1536, 1664, 1872, 2028, 2087, 2197, 2304, 2496, 2704, 3042, 3328, 3744, 4056, 4174, 4394, 4608, 4992, 5408, 6084, 6261, 6591, 6656, 7488, 8112, 8348, 8788, 9984, 10816, 12168, 12522, 13182, 14976, 16224, 16696, 17576, 18783, 19773, 19968, 21632, 24336, 25044, 26364, 27131, 29952, 32448, 33392, 35152, 37566, 39546, 43264, 48672, 50088, 52728, 54262, 59904, 64896, 66784, 70304, 75132, 79092, 81393, 86528, 97344, 100176, 105456, 108524, 129792, 133568, 140608, 150264, 158184, 162786, 194688, 200352, 210912, 217048, 244179, 259584, 267136, 281216, 300528, 316368, 325572, 352703, 389376, 400704, 421824, 434096, 488358, 534272, 562432, 601056, 632736, 651144, 705406, 778752, 801408, 843648, 868192, 976716, 1058109, 1068544, 1124864, 1202112, 1265472, 1302288, 1410812, 1602816, 1687296, 1736384, 1953432, 2116218, 2404224, 2530944, 2604576, 2821624, 3174327, 3205632, 3374592, 3472768, 3906864, 4232436, 4585139, 4808448, 5061888, 5209152, 5643248, 6348654, 6945536, 7813728, 8464872, 9170278, 9616896, 10123776, 10418304, 11286496, 12697308, 13755417, 13891072, 15627456, 16929744, 18340556, 20836608, 22572992, 25394616, 27510834, 31254912, 33859488, 36681112, 41266251, 41673216, 45145984, 50789232, 55021668, 62509824, 67718976, 73362224, 82532502, 90291968, 101578464, 110043336, 125019648, 135437952, 146724448, 165065004, 180583936, 203156928, 220086672, 270875904, 293448896, 330130008, 406313856, 440173344, 541751808, 586897792, 660260016, 812627712, 880346688, 1173795584, 1320520032, 1625255424, 1760693376, 2347591168, 2641040064, 3521386752, 5282080128, 7042773504, 10564160256, 21128320512]

約数ペア:

[(1, 21128320512), (2, 10564160256), (3, 7042773504), (4, 5282080128), (6, 3521386752), (8, 2641040064), (9, 2347591168), (12, 1760693376), (13, 1625255424), (16, 1320520032), (18, 1173795584), (24, 880346688), (26, 812627712), (32, 660260016), (36, 586897792), (39, 541751808), (48, 440173344), (52, 406313856), (64, 330130008), (72, 293448896), (78, 270875904), (96, 220086672), (104, 203156928), (117, 180583936), (128, 165065004), (144, 146724448), (156, 135437952), (169, 125019648), (192, 110043336), (208, 101578464), (234, 90291968), (256, 82532502), (288, 73362224), (312, 67718976), (338, 62509824), (384, 55021668), (416, 50789232), (468, 45145984), (507, 41673216), (512, 41266251), (576, 36681112), (624, 33859488), (676, 31254912), (768, 27510834), (832, 25394616), (936, 22572992), (1014, 20836608), (1152, 18340556), (1248, 16929744), (1352, 15627456), (1521, 13891072), (1536, 13755417), (1664, 12697308), (1872, 11286496), (2028, 10418304), (2087, 10123776), (2197, 9616896), (2304, 9170278), (2496, 8464872), (2704, 7813728), (3042, 6945536), (3328, 6348654), (3744, 5643248), (4056, 5209152), (4174, 5061888), (4394, 4808448), (4608, 4585139), (4992, 4232436), (5408, 3906864), (6084, 3472768), (6261, 3374592), (6591, 3205632), (6656, 3174327), (7488, 2821624), (8112, 2604576), (8348, 2530944), (8788, 2404224), (9984, 2116218), (10816, 1953432), (12168, 1736384), (12522, 1687296), (13182, 1602816), (14976, 1410812), (16224, 1302288), (16696, 1265472), (17576, 1202112), (18783, 1124864), (19773, 1068544), (19968, 1058109), (21632, 976716), (24336, 868192), (25044, 843648), (26364, 801408), (27131, 778752), (29952, 705406), (32448, 651144), (33392, 632736), (35152, 601056), (37566, 562432), (39546, 534272), (43264, 488358), (48672, 434096), (50088, 421824), (52728, 400704), (54262, 389376), (59904, 352703), (64896, 325572), (66784, 316368), (70304, 300528), (75132, 281216), (79092, 267136), (81393, 259584), (86528, 244179), (97344, 217048), (100176, 210912), (105456, 200352), (108524, 194688), (129792, 162786), (133568, 158184), (140608, 150264)]