21005991840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:516

約数の個数: 384

約数和(自身を含む): 70648381440

約数和(自身を除く): 49642389600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 59, 60, 62, 71, 80, 93, 96, 118, 120, 124, 142, 155, 160, 177, 186, 213, 236, 240, 248, 284, 295, 310, 337, 354, 355, 372, 426, 465, 472, 480, 496, 568, 590, 620, 674, 708, 710, 744, 852, 885, 930, 944, 992, 1011, 1065, 1136, 1180, 1240, 1348, 1416, 1420, 1488, 1685, 1704, 1770, 1829, 1860, 1888, 2022, 2130, 2201, 2272, 2360, 2480, 2696, 2832, 2840, 2976, 3370, 3408, 3540, 3658, 3720, 4044, 4189, 4260, 4402, 4720, 4960, 5055, 5392, 5487, 5664, 5680, 6603, 6740, 6816, 7080, 7316, 7440, 8088, 8378, 8520, 8804, 9145, 9440, 10110, 10447, 10784, 10974, 11005, 11360, 12567, 13206, 13480, 14160, 14632, 14880, 16176, 16756, 17040, 17608, 18290, 19883, 20220, 20894, 20945, 21948, 22010, 23927, 25134, 26412, 26960, 27435, 28320, 29264, 31341, 32352, 33015, 33512, 34080, 35216, 36580, 39766, 40440, 41788, 41890, 43896, 44020, 47854, 50268, 52235, 52824, 53920, 54870, 58528, 59649, 62682, 62835, 66030, 67024, 70432, 71781, 73160, 79532, 80880, 83576, 83780, 87792, 88040, 95708, 99415, 100536, 104470, 105648, 109740, 119298, 119635, 125364, 125670, 129859, 132060, 134048, 143562, 146320, 156705, 159064, 161760, 167152, 167560, 175584, 176080, 191416, 198830, 201072, 208940, 211296, 219480, 238596, 239270, 250728, 251340, 259718, 264120, 287124, 292640, 298245, 313410, 318128, 334304, 335120, 352160, 358905, 382832, 389577, 397660, 402144, 417880, 438960, 477192, 478540, 501456, 502680, 519436, 528240, 574248, 596490, 616373, 626820, 636256, 649295, 670240, 717810, 741737, 765664, 779154, 795320, 835760, 877920, 954384, 957080, 1002912, 1005360, 1038872, 1056480, 1148496, 1192980, 1232746, 1253640, 1298590, 1411693, 1435620, 1483474, 1558308, 1590640, 1671520, 1849119, 1908768, 1914160, 1947885, 2010720, 2077744, 2225211, 2296992, 2385960, 2465492, 2507280, 2597180, 2823386, 2871240, 2966948, 3081865, 3116616, 3181280, 3698238, 3708685, 3828320, 3895770, 4155488, 4235079, 4450422, 4771920, 4930984, 5014560, 5194360, 5646772, 5742480, 5933896, 6163730, 6233232, 7058465, 7396476, 7417370, 7791540, 8470158, 8900844, 9245595, 9543840, 9861968, 10388720, 11126055, 11293544, 11484960, 11867792, 12327460, 12466464, 14116930, 14792952, 14834740, 15583080, 16940316, 17801688, 18491190, 19723936, 20777440, 21175395, 22252110, 22587088, 23735584, 24654920, 28233860, 29585904, 29669480, 31166160, 33880632, 35603376, 36982380, 42350790, 43762483, 44504220, 45174176, 49309840, 56467720, 59171808, 59338960, 62332320, 67761264, 71206752, 73964760, 84701580, 87524966, 89008440, 98619680, 112935440, 118677920, 131287449, 135522528, 147929520, 169403160, 175049932, 178016880, 218812415, 225870880, 262574898, 295859040, 338806320, 350099864, 356033760, 437624830, 525149796, 656437245, 677612640, 700199728, 875249660, 1050299592, 1312874490, 1400399456, 1750499320, 2100599184, 2625748980, 3500998640, 4201198368, 5251497960, 7001997280, 10502995920, 21005991840]

約数ペア:

[(1, 21005991840), (2, 10502995920), (3, 7001997280), (4, 5251497960), (5, 4201198368), (6, 3500998640), (8, 2625748980), (10, 2100599184), (12, 1750499320), (15, 1400399456), (16, 1312874490), (20, 1050299592), (24, 875249660), (30, 700199728), (31, 677612640), (32, 656437245), (40, 525149796), (48, 437624830), (59, 356033760), (60, 350099864), (62, 338806320), (71, 295859040), (80, 262574898), (93, 225870880), (96, 218812415), (118, 178016880), (120, 175049932), (124, 169403160), (142, 147929520), (155, 135522528), (160, 131287449), (177, 118677920), (186, 112935440), (213, 98619680), (236, 89008440), (240, 87524966), (248, 84701580), (284, 73964760), (295, 71206752), (310, 67761264), (337, 62332320), (354, 59338960), (355, 59171808), (372, 56467720), (426, 49309840), (465, 45174176), (472, 44504220), (480, 43762483), (496, 42350790), (568, 36982380), (590, 35603376), (620, 33880632), (674, 31166160), (708, 29669480), (710, 29585904), (744, 28233860), (852, 24654920), (885, 23735584), (930, 22587088), (944, 22252110), (992, 21175395), (1011, 20777440), (1065, 19723936), (1136, 18491190), (1180, 17801688), (1240, 16940316), (1348, 15583080), (1416, 14834740), (1420, 14792952), (1488, 14116930), (1685, 12466464), (1704, 12327460), (1770, 11867792), (1829, 11484960), (1860, 11293544), (1888, 11126055), (2022, 10388720), (2130, 9861968), (2201, 9543840), (2272, 9245595), (2360, 8900844), (2480, 8470158), (2696, 7791540), (2832, 7417370), (2840, 7396476), (2976, 7058465), (3370, 6233232), (3408, 6163730), (3540, 5933896), (3658, 5742480), (3720, 5646772), (4044, 5194360), (4189, 5014560), (4260, 4930984), (4402, 4771920), (4720, 4450422), (4960, 4235079), (5055, 4155488), (5392, 3895770), (5487, 3828320), (5664, 3708685), (5680, 3698238), (6603, 3181280), (6740, 3116616), (6816, 3081865), (7080, 2966948), (7316, 2871240), (7440, 2823386), (8088, 2597180), (8378, 2507280), (8520, 2465492), (8804, 2385960), (9145, 2296992), (9440, 2225211), (10110, 2077744), (10447, 2010720), (10784, 1947885), (10974, 1914160), (11005, 1908768), (11360, 1849119), (12567, 1671520), (13206, 1590640), (13480, 1558308), (14160, 1483474), (14632, 1435620), (14880, 1411693), (16176, 1298590), (16756, 1253640), (17040, 1232746), (17608, 1192980), (18290, 1148496), (19883, 1056480), (20220, 1038872), (20894, 1005360), (20945, 1002912), (21948, 957080), (22010, 954384), (23927, 877920), (25134, 835760), (26412, 795320), (26960, 779154), (27435, 765664), (28320, 741737), (29264, 717810), (31341, 670240), (32352, 649295), (33015, 636256), (33512, 626820), (34080, 616373), (35216, 596490), (36580, 574248), (39766, 528240), (40440, 519436), (41788, 502680), (41890, 501456), (43896, 478540), (44020, 477192), (47854, 438960), (50268, 417880), (52235, 402144), (52824, 397660), (53920, 389577), (54870, 382832), (58528, 358905), (59649, 352160), (62682, 335120), (62835, 334304), (66030, 318128), (67024, 313410), (70432, 298245), (71781, 292640), (73160, 287124), (79532, 264120), (80880, 259718), (83576, 251340), (83780, 250728), (87792, 239270), (88040, 238596), (95708, 219480), (99415, 211296), (100536, 208940), (104470, 201072), (105648, 198830), (109740, 191416), (119298, 176080), (119635, 175584), (125364, 167560), (125670, 167152), (129859, 161760), (132060, 159064), (134048, 156705), (143562, 146320)]