21808651536

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1\times {\mathrm{521}}^1$

素因数の和:990

約数の個数: 240

約数和(自身を含む): 70642585728

約数和(自身を除く): 48833934192

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 131, 144, 168, 252, 262, 317, 336, 393, 504, 521, 524, 634, 786, 917, 951, 1008, 1042, 1048, 1179, 1268, 1563, 1572, 1834, 1902, 2084, 2096, 2219, 2358, 2536, 2751, 2853, 3126, 3144, 3647, 3668, 3804, 4168, 4438, 4689, 4716, 5072, 5502, 5706, 6252, 6288, 6657, 7294, 7336, 7608, 8253, 8336, 8876, 9378, 9432, 10941, 11004, 11412, 12504, 13314, 14588, 14672, 15216, 16506, 17752, 18756, 18864, 19971, 21882, 22008, 22824, 25008, 26628, 29176, 32823, 33012, 35504, 37512, 39942, 41527, 43764, 44016, 45648, 53256, 58352, 65646, 66024, 68251, 75024, 79884, 83054, 87528, 106512, 124581, 131292, 132048, 136502, 159768, 165157, 166108, 175056, 204753, 249162, 262584, 273004, 290689, 319536, 330314, 332216, 373743, 409506, 477757, 495471, 498324, 525168, 546008, 581378, 614259, 660628, 664432, 747486, 819012, 872067, 955514, 990942, 996648, 1092016, 1156099, 1162756, 1228518, 1321256, 1433271, 1486413, 1494972, 1638024, 1744134, 1911028, 1981884, 1993296, 2312198, 2325512, 2457036, 2616201, 2642512, 2866542, 2972826, 2989944, 3276048, 3468297, 3488268, 3822056, 3963768, 4299813, 4624396, 4651024, 4914072, 5232402, 5733084, 5945652, 5979888, 6936594, 6976536, 7644112, 7927536, 8599626, 9248792, 9828144, 10404891, 10464804, 11466168, 11891304, 13873188, 13953072, 17199252, 18497584, 20809782, 20929608, 21635567, 22932336, 23782608, 27746376, 34398504, 41619564, 41859216, 43271134, 55492752, 64906701, 68797008, 83239128, 86542268, 129813402, 151448969, 166478256, 173084536, 194720103, 259626804, 302897938, 346169072, 389440206, 454346907, 519253608, 605795876, 778880412, 908693814, 1038507216, 1211591752, 1363040721, 1557760824, 1817387628, 2423183504, 2726081442, 3115521648, 3634775256, 5452162884, 7269550512, 10904325768, 21808651536]

約数ペア:

[(1, 21808651536), (2, 10904325768), (3, 7269550512), (4, 5452162884), (6, 3634775256), (7, 3115521648), (8, 2726081442), (9, 2423183504), (12, 1817387628), (14, 1557760824), (16, 1363040721), (18, 1211591752), (21, 1038507216), (24, 908693814), (28, 778880412), (36, 605795876), (42, 519253608), (48, 454346907), (56, 389440206), (63, 346169072), (72, 302897938), (84, 259626804), (112, 194720103), (126, 173084536), (131, 166478256), (144, 151448969), (168, 129813402), (252, 86542268), (262, 83239128), (317, 68797008), (336, 64906701), (393, 55492752), (504, 43271134), (521, 41859216), (524, 41619564), (634, 34398504), (786, 27746376), (917, 23782608), (951, 22932336), (1008, 21635567), (1042, 20929608), (1048, 20809782), (1179, 18497584), (1268, 17199252), (1563, 13953072), (1572, 13873188), (1834, 11891304), (1902, 11466168), (2084, 10464804), (2096, 10404891), (2219, 9828144), (2358, 9248792), (2536, 8599626), (2751, 7927536), (2853, 7644112), (3126, 6976536), (3144, 6936594), (3647, 5979888), (3668, 5945652), (3804, 5733084), (4168, 5232402), (4438, 4914072), (4689, 4651024), (4716, 4624396), (5072, 4299813), (5502, 3963768), (5706, 3822056), (6252, 3488268), (6288, 3468297), (6657, 3276048), (7294, 2989944), (7336, 2972826), (7608, 2866542), (8253, 2642512), (8336, 2616201), (8876, 2457036), (9378, 2325512), (9432, 2312198), (10941, 1993296), (11004, 1981884), (11412, 1911028), (12504, 1744134), (13314, 1638024), (14588, 1494972), (14672, 1486413), (15216, 1433271), (16506, 1321256), (17752, 1228518), (18756, 1162756), (18864, 1156099), (19971, 1092016), (21882, 996648), (22008, 990942), (22824, 955514), (25008, 872067), (26628, 819012), (29176, 747486), (32823, 664432), (33012, 660628), (35504, 614259), (37512, 581378), (39942, 546008), (41527, 525168), (43764, 498324), (44016, 495471), (45648, 477757), (53256, 409506), (58352, 373743), (65646, 332216), (66024, 330314), (68251, 319536), (75024, 290689), (79884, 273004), (83054, 262584), (87528, 249162), (106512, 204753), (124581, 175056), (131292, 166108), (132048, 165157), (136502, 159768)]