21981215256

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{373}}^1$

素因数の和:647

約数の個数: 384

約数和(自身を含む): 74875637760

約数和(自身を除く): 52894422504

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 21, 22, 24, 26, 28, 33, 39, 42, 44, 52, 56, 66, 77, 78, 84, 88, 91, 104, 121, 132, 143, 154, 156, 168, 182, 223, 231, 242, 264, 273, 286, 308, 312, 363, 364, 373, 429, 446, 462, 484, 546, 572, 616, 669, 726, 728, 746, 847, 858, 892, 924, 968, 1001, 1092, 1119, 1144, 1338, 1452, 1492, 1561, 1573, 1694, 1716, 1784, 1848, 2002, 2184, 2238, 2453, 2541, 2611, 2676, 2899, 2904, 2984, 3003, 3122, 3146, 3388, 3432, 4004, 4103, 4476, 4683, 4719, 4849, 4906, 5082, 5222, 5352, 5798, 6006, 6244, 6292, 6776, 7359, 7833, 8008, 8206, 8697, 8952, 9366, 9438, 9698, 9812, 10164, 10444, 11011, 11596, 12012, 12309, 12488, 12584, 14547, 14718, 15666, 16412, 17171, 17394, 18732, 18876, 19396, 19624, 20293, 20328, 20888, 22022, 23192, 24024, 24618, 26983, 28721, 29094, 29436, 31332, 31889, 32824, 33033, 33943, 34342, 34788, 37464, 37752, 38792, 40586, 44044, 45133, 49236, 51513, 53339, 53966, 57442, 58188, 58872, 60879, 62664, 63778, 66066, 67886, 68684, 69576, 80949, 81172, 83179, 86163, 88088, 90266, 95667, 98472, 101829, 103026, 106678, 107932, 114884, 116376, 121758, 127556, 132132, 135399, 135772, 137368, 160017, 161898, 162344, 166358, 172326, 180532, 188881, 191334, 203658, 206052, 213356, 215864, 223223, 229768, 243516, 249537, 255112, 264264, 270798, 271544, 315931, 320034, 323796, 332716, 344652, 350779, 361064, 373373, 377762, 382668, 407316, 412104, 426712, 446446, 487032, 499074, 541596, 566643, 582253, 586729, 631862, 640068, 647592, 665432, 669669, 689304, 701558, 746746, 755524, 765336, 814632, 892892, 914969, 947793, 998148, 1052337, 1081327, 1083192, 1120119, 1133286, 1164506, 1173458, 1263724, 1280136, 1339338, 1403116, 1493492, 1511048, 1746759, 1760187, 1785784, 1829938, 1895586, 1996296, 2104674, 2162654, 2240238, 2266572, 2329012, 2346916, 2455453, 2527448, 2678676, 2744907, 2806232, 2986984, 3243981, 3493518, 3520374, 3659876, 3791172, 4107103, 4209348, 4325308, 4480476, 4533144, 4658024, 4693832, 4910906, 5357352, 5489814, 6404783, 6487962, 6987036, 7040748, 7319752, 7366359, 7569289, 7582344, 8214206, 8418696, 8650616, 8960952, 9821812, 10064659, 10979628, 11894597, 12321309, 12809566, 12975924, 13974072, 14081496, 14732718, 15138578, 16428412, 19214349, 19643624, 20129318, 21959256, 22707867, 23789194, 24642618, 25619132, 25951848, 29465436, 30193977, 30277156, 32856824, 35683791, 38428698, 40258636, 45415734, 47578388, 49285236, 51238264, 58930872, 60387954, 60554312, 70452613, 71367582, 76857396, 80517272, 83262179, 90831468, 95156776, 98570472, 120775908, 130840567, 140905226, 142735164, 153714792, 166524358, 181662936, 211357839, 241551816, 249786537, 261681134, 281810452, 285470328, 333048716, 392521701, 422715678, 499573074, 523362268, 563620904, 666097432, 785043402, 845431356, 915883969, 999146148, 1046724536, 1570086804, 1690862712, 1831767938, 1998292296, 2747651907, 3140173608, 3663535876, 5495303814, 7327071752, 10990607628, 21981215256]

約数ペア:

[(1, 21981215256), (2, 10990607628), (3, 7327071752), (4, 5495303814), (6, 3663535876), (7, 3140173608), (8, 2747651907), (11, 1998292296), (12, 1831767938), (13, 1690862712), (14, 1570086804), (21, 1046724536), (22, 999146148), (24, 915883969), (26, 845431356), (28, 785043402), (33, 666097432), (39, 563620904), (42, 523362268), (44, 499573074), (52, 422715678), (56, 392521701), (66, 333048716), (77, 285470328), (78, 281810452), (84, 261681134), (88, 249786537), (91, 241551816), (104, 211357839), (121, 181662936), (132, 166524358), (143, 153714792), (154, 142735164), (156, 140905226), (168, 130840567), (182, 120775908), (223, 98570472), (231, 95156776), (242, 90831468), (264, 83262179), (273, 80517272), (286, 76857396), (308, 71367582), (312, 70452613), (363, 60554312), (364, 60387954), (373, 58930872), (429, 51238264), (446, 49285236), (462, 47578388), (484, 45415734), (546, 40258636), (572, 38428698), (616, 35683791), (669, 32856824), (726, 30277156), (728, 30193977), (746, 29465436), (847, 25951848), (858, 25619132), (892, 24642618), (924, 23789194), (968, 22707867), (1001, 21959256), (1092, 20129318), (1119, 19643624), (1144, 19214349), (1338, 16428412), (1452, 15138578), (1492, 14732718), (1561, 14081496), (1573, 13974072), (1694, 12975924), (1716, 12809566), (1784, 12321309), (1848, 11894597), (2002, 10979628), (2184, 10064659), (2238, 9821812), (2453, 8960952), (2541, 8650616), (2611, 8418696), (2676, 8214206), (2899, 7582344), (2904, 7569289), (2984, 7366359), (3003, 7319752), (3122, 7040748), (3146, 6987036), (3388, 6487962), (3432, 6404783), (4004, 5489814), (4103, 5357352), (4476, 4910906), (4683, 4693832), (4719, 4658024), (4849, 4533144), (4906, 4480476), (5082, 4325308), (5222, 4209348), (5352, 4107103), (5798, 3791172), (6006, 3659876), (6244, 3520374), (6292, 3493518), (6776, 3243981), (7359, 2986984), (7833, 2806232), (8008, 2744907), (8206, 2678676), (8697, 2527448), (8952, 2455453), (9366, 2346916), (9438, 2329012), (9698, 2266572), (9812, 2240238), (10164, 2162654), (10444, 2104674), (11011, 1996296), (11596, 1895586), (12012, 1829938), (12309, 1785784), (12488, 1760187), (12584, 1746759), (14547, 1511048), (14718, 1493492), (15666, 1403116), (16412, 1339338), (17171, 1280136), (17394, 1263724), (18732, 1173458), (18876, 1164506), (19396, 1133286), (19624, 1120119), (20293, 1083192), (20328, 1081327), (20888, 1052337), (22022, 998148), (23192, 947793), (24024, 914969), (24618, 892892), (26983, 814632), (28721, 765336), (29094, 755524), (29436, 746746), (31332, 701558), (31889, 689304), (32824, 669669), (33033, 665432), (33943, 647592), (34342, 640068), (34788, 631862), (37464, 586729), (37752, 582253), (38792, 566643), (40586, 541596), (44044, 499074), (45133, 487032), (49236, 446446), (51513, 426712), (53339, 412104), (53966, 407316), (57442, 382668), (58188, 377762), (58872, 373373), (60879, 361064), (62664, 350779), (63778, 344652), (66066, 332716), (67886, 323796), (68684, 320034), (69576, 315931), (80949, 271544), (81172, 270798), (83179, 264264), (86163, 255112), (88088, 249537), (90266, 243516), (95667, 229768), (98472, 223223), (101829, 215864), (103026, 213356), (106678, 206052), (107932, 203658), (114884, 191334), (116376, 188881), (121758, 180532), (127556, 172326), (132132, 166358), (135399, 162344), (135772, 161898), (137368, 160017)]