21042065920

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:347

約数の個数: 320

約数和(自身を含む): 55436451840

約数和(自身を除く): 34394385920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 41, 58, 62, 64, 80, 82, 116, 124, 128, 145, 155, 160, 164, 205, 223, 232, 248, 256, 290, 310, 320, 328, 410, 446, 464, 496, 512, 580, 620, 640, 656, 820, 892, 899, 928, 992, 1115, 1160, 1189, 1240, 1271, 1280, 1312, 1640, 1784, 1798, 1856, 1984, 2230, 2320, 2378, 2480, 2542, 2560, 2624, 3280, 3568, 3596, 3712, 3968, 4460, 4495, 4640, 4756, 4960, 5084, 5248, 5945, 6355, 6467, 6560, 6913, 7136, 7192, 7424, 7936, 8920, 8990, 9143, 9280, 9512, 9920, 10168, 10496, 11890, 12710, 12934, 13120, 13826, 14272, 14384, 14848, 15872, 17840, 17980, 18286, 18560, 19024, 19840, 20336, 20992, 23780, 25420, 25868, 26240, 27652, 28544, 28768, 32335, 34565, 35680, 35960, 36572, 36859, 37120, 38048, 39680, 40672, 45715, 47560, 50840, 51736, 52480, 55304, 57088, 57536, 64670, 69130, 71360, 71920, 73144, 73718, 74240, 76096, 79360, 81344, 91430, 95120, 101680, 103472, 104960, 110608, 114176, 115072, 129340, 138260, 142720, 143840, 146288, 147436, 152192, 162688, 182860, 184295, 190240, 200477, 203360, 206944, 221216, 230144, 258680, 265147, 276520, 283433, 285440, 287680, 292576, 294872, 304384, 325376, 365720, 368590, 380480, 400954, 406720, 413888, 442432, 460288, 517360, 530294, 553040, 566866, 570880, 575360, 585152, 589744, 608768, 650752, 731440, 737180, 760960, 801908, 813440, 827776, 884864, 1002385, 1034720, 1060588, 1106080, 1133732, 1150720, 1170304, 1179488, 1325735, 1417165, 1462880, 1474360, 1521920, 1603816, 1626880, 1655552, 1769728, 2004770, 2069440, 2121176, 2212160, 2267464, 2301440, 2340608, 2358976, 2651470, 2834330, 2925760, 2948720, 3043840, 3207632, 3253760, 3311104, 3539456, 4009540, 4138880, 4242352, 4424320, 4534928, 4681216, 4717952, 5302940, 5668660, 5851520, 5897440, 6415264, 8019080, 8219557, 8277760, 8484704, 8848640, 9069856, 9435904, 10605880, 11337320, 11703040, 11794880, 12830528, 16038160, 16439114, 16555520, 16969408, 17697280, 18139712, 18871808, 21211760, 22674640, 23406080, 23589760, 25661056, 32076320, 32878228, 33938816, 36279424, 41097785, 42423520, 45349280, 47179520, 51322112, 64152640, 65756456, 67877632, 72558848, 82195570, 84847040, 90698560, 94359040, 102644224, 128305280, 131512912, 135755264, 145117696, 164391140, 169694080, 181397120, 256610560, 263025824, 328782280, 339388160, 362794240, 513221120, 526051648, 657564560, 678776320, 725588480, 1052103296, 1315129120, 2104206592, 2630258240, 4208413184, 5260516480, 10521032960, 21042065920]

約数ペア:

[(1, 21042065920), (2, 10521032960), (4, 5260516480), (5, 4208413184), (8, 2630258240), (10, 2104206592), (16, 1315129120), (20, 1052103296), (29, 725588480), (31, 678776320), (32, 657564560), (40, 526051648), (41, 513221120), (58, 362794240), (62, 339388160), (64, 328782280), (80, 263025824), (82, 256610560), (116, 181397120), (124, 169694080), (128, 164391140), (145, 145117696), (155, 135755264), (160, 131512912), (164, 128305280), (205, 102644224), (223, 94359040), (232, 90698560), (248, 84847040), (256, 82195570), (290, 72558848), (310, 67877632), (320, 65756456), (328, 64152640), (410, 51322112), (446, 47179520), (464, 45349280), (496, 42423520), (512, 41097785), (580, 36279424), (620, 33938816), (640, 32878228), (656, 32076320), (820, 25661056), (892, 23589760), (899, 23406080), (928, 22674640), (992, 21211760), (1115, 18871808), (1160, 18139712), (1189, 17697280), (1240, 16969408), (1271, 16555520), (1280, 16439114), (1312, 16038160), (1640, 12830528), (1784, 11794880), (1798, 11703040), (1856, 11337320), (1984, 10605880), (2230, 9435904), (2320, 9069856), (2378, 8848640), (2480, 8484704), (2542, 8277760), (2560, 8219557), (2624, 8019080), (3280, 6415264), (3568, 5897440), (3596, 5851520), (3712, 5668660), (3968, 5302940), (4460, 4717952), (4495, 4681216), (4640, 4534928), (4756, 4424320), (4960, 4242352), (5084, 4138880), (5248, 4009540), (5945, 3539456), (6355, 3311104), (6467, 3253760), (6560, 3207632), (6913, 3043840), (7136, 2948720), (7192, 2925760), (7424, 2834330), (7936, 2651470), (8920, 2358976), (8990, 2340608), (9143, 2301440), (9280, 2267464), (9512, 2212160), (9920, 2121176), (10168, 2069440), (10496, 2004770), (11890, 1769728), (12710, 1655552), (12934, 1626880), (13120, 1603816), (13826, 1521920), (14272, 1474360), (14384, 1462880), (14848, 1417165), (15872, 1325735), (17840, 1179488), (17980, 1170304), (18286, 1150720), (18560, 1133732), (19024, 1106080), (19840, 1060588), (20336, 1034720), (20992, 1002385), (23780, 884864), (25420, 827776), (25868, 813440), (26240, 801908), (27652, 760960), (28544, 737180), (28768, 731440), (32335, 650752), (34565, 608768), (35680, 589744), (35960, 585152), (36572, 575360), (36859, 570880), (37120, 566866), (38048, 553040), (39680, 530294), (40672, 517360), (45715, 460288), (47560, 442432), (50840, 413888), (51736, 406720), (52480, 400954), (55304, 380480), (57088, 368590), (57536, 365720), (64670, 325376), (69130, 304384), (71360, 294872), (71920, 292576), (73144, 287680), (73718, 285440), (74240, 283433), (76096, 276520), (79360, 265147), (81344, 258680), (91430, 230144), (95120, 221216), (101680, 206944), (103472, 203360), (104960, 200477), (110608, 190240), (114176, 184295), (115072, 182860), (129340, 162688), (138260, 152192), (142720, 147436), (143840, 146288)]