21009183104

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{701}}^1$

素因数の和:849

約数の個数: 256

約数和(自身を含む): 53892034560

約数和(自身を除く): 32882851456

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 83, 91, 104, 112, 124, 128, 166, 182, 208, 217, 224, 248, 332, 364, 403, 416, 434, 448, 496, 581, 664, 701, 728, 806, 832, 868, 896, 992, 1079, 1162, 1328, 1402, 1456, 1612, 1664, 1736, 1984, 2158, 2324, 2573, 2656, 2804, 2821, 2912, 3224, 3472, 3968, 4316, 4648, 4907, 5146, 5312, 5608, 5642, 5824, 6448, 6944, 7553, 8632, 9113, 9296, 9814, 10292, 10624, 11216, 11284, 11648, 12896, 13888, 15106, 17264, 18011, 18226, 18592, 19628, 20584, 21731, 22432, 22568, 25792, 27776, 30212, 33449, 34528, 36022, 36452, 37184, 39256, 41168, 43462, 44864, 45136, 51584, 58183, 60424, 63791, 66898, 69056, 72044, 72904, 74368, 78512, 82336, 86924, 89728, 90272, 116366, 120848, 127582, 133796, 138112, 144088, 145808, 152117, 157024, 164672, 173848, 180544, 232732, 234143, 241696, 255164, 267592, 282503, 288176, 291616, 304234, 314048, 329344, 347696, 361088, 407281, 465464, 468286, 483392, 510328, 535184, 565006, 576352, 583232, 608468, 628096, 695392, 756379, 814562, 930928, 936572, 966784, 1020656, 1070368, 1130012, 1152704, 1166464, 1216936, 1390784, 1512758, 1629124, 1803673, 1861856, 1873144, 1977521, 2041312, 2140736, 2260024, 2305408, 2433872, 2781568, 3025516, 3258248, 3607346, 3723712, 3746288, 3955042, 4082624, 4281472, 4520048, 4867744, 5294653, 6051032, 6516496, 7214692, 7447424, 7492576, 7910084, 8165248, 9040096, 9735488, 10589306, 12102064, 12625711, 13032992, 14429384, 14985152, 15820168, 18080192, 19470976, 21178612, 23447749, 24204128, 25251422, 26065984, 28858768, 29970304, 31640336, 36160384, 42357224, 46895498, 48408256, 50502844, 52131968, 57717536, 63280672, 84714448, 93790996, 96816512, 101005688, 115435072, 126561344, 164134243, 169428896, 187581992, 202011376, 230870144, 253122688, 328268486, 338857792, 375163984, 404022752, 656536972, 677715584, 750327968, 808045504, 1313073944, 1500655936, 1616091008, 2626147888, 3001311872, 5252295776, 10504591552, 21009183104]

約数ペア:

[(1, 21009183104), (2, 10504591552), (4, 5252295776), (7, 3001311872), (8, 2626147888), (13, 1616091008), (14, 1500655936), (16, 1313073944), (26, 808045504), (28, 750327968), (31, 677715584), (32, 656536972), (52, 404022752), (56, 375163984), (62, 338857792), (64, 328268486), (83, 253122688), (91, 230870144), (104, 202011376), (112, 187581992), (124, 169428896), (128, 164134243), (166, 126561344), (182, 115435072), (208, 101005688), (217, 96816512), (224, 93790996), (248, 84714448), (332, 63280672), (364, 57717536), (403, 52131968), (416, 50502844), (434, 48408256), (448, 46895498), (496, 42357224), (581, 36160384), (664, 31640336), (701, 29970304), (728, 28858768), (806, 26065984), (832, 25251422), (868, 24204128), (896, 23447749), (992, 21178612), (1079, 19470976), (1162, 18080192), (1328, 15820168), (1402, 14985152), (1456, 14429384), (1612, 13032992), (1664, 12625711), (1736, 12102064), (1984, 10589306), (2158, 9735488), (2324, 9040096), (2573, 8165248), (2656, 7910084), (2804, 7492576), (2821, 7447424), (2912, 7214692), (3224, 6516496), (3472, 6051032), (3968, 5294653), (4316, 4867744), (4648, 4520048), (4907, 4281472), (5146, 4082624), (5312, 3955042), (5608, 3746288), (5642, 3723712), (5824, 3607346), (6448, 3258248), (6944, 3025516), (7553, 2781568), (8632, 2433872), (9113, 2305408), (9296, 2260024), (9814, 2140736), (10292, 2041312), (10624, 1977521), (11216, 1873144), (11284, 1861856), (11648, 1803673), (12896, 1629124), (13888, 1512758), (15106, 1390784), (17264, 1216936), (18011, 1166464), (18226, 1152704), (18592, 1130012), (19628, 1070368), (20584, 1020656), (21731, 966784), (22432, 936572), (22568, 930928), (25792, 814562), (27776, 756379), (30212, 695392), (33449, 628096), (34528, 608468), (36022, 583232), (36452, 576352), (37184, 565006), (39256, 535184), (41168, 510328), (43462, 483392), (44864, 468286), (45136, 465464), (51584, 407281), (58183, 361088), (60424, 347696), (63791, 329344), (66898, 314048), (69056, 304234), (72044, 291616), (72904, 288176), (74368, 282503), (78512, 267592), (82336, 255164), (86924, 241696), (89728, 234143), (90272, 232732), (116366, 180544), (120848, 173848), (127582, 164672), (133796, 157024), (138112, 152117), (144088, 145808)]