21253361920

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:726

約数の個数: 432

約数和(自身を含む): 64826915328

約数和(自身を除く): 43573553408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 49, 56, 62, 64, 68, 70, 80, 85, 98, 112, 119, 124, 128, 136, 140, 155, 160, 170, 196, 217, 224, 238, 245, 248, 256, 272, 280, 310, 320, 340, 392, 434, 448, 476, 490, 496, 527, 544, 560, 595, 620, 640, 643, 680, 784, 833, 868, 896, 952, 980, 992, 1054, 1085, 1088, 1120, 1190, 1240, 1280, 1286, 1360, 1519, 1568, 1666, 1736, 1792, 1904, 1960, 1984, 2108, 2170, 2176, 2240, 2380, 2480, 2572, 2635, 2720, 3038, 3136, 3215, 3332, 3472, 3689, 3808, 3920, 3968, 4165, 4216, 4340, 4352, 4480, 4501, 4760, 4960, 5144, 5270, 5440, 6076, 6272, 6430, 6664, 6944, 7378, 7595, 7616, 7840, 7936, 8330, 8432, 8680, 8960, 9002, 9520, 9920, 10288, 10540, 10880, 10931, 12152, 12544, 12860, 13328, 13888, 14756, 15190, 15232, 15680, 16660, 16864, 17360, 18004, 18445, 19040, 19840, 19933, 20576, 21080, 21760, 21862, 22505, 24304, 25720, 25823, 26656, 27776, 29512, 30380, 30464, 31360, 31507, 33320, 33728, 34720, 36008, 36890, 38080, 39680, 39866, 41152, 42160, 43724, 45010, 48608, 51440, 51646, 53312, 54655, 55552, 59024, 60760, 62720, 63014, 66640, 67456, 69440, 72016, 73780, 76160, 76517, 79732, 82304, 84320, 87448, 90020, 97216, 99665, 102880, 103292, 106624, 109310, 118048, 121520, 126028, 129115, 133280, 134912, 138880, 139531, 144032, 147560, 152320, 153034, 157535, 159464, 164608, 168640, 174896, 180040, 194432, 199330, 205760, 206584, 213248, 218620, 236096, 243040, 252056, 258230, 266560, 277760, 279062, 288064, 295120, 306068, 315070, 318928, 337280, 338861, 349792, 360080, 382585, 388864, 398660, 411520, 413168, 437240, 472192, 486080, 504112, 516460, 533120, 535619, 558124, 576128, 590240, 612136, 630140, 637856, 674560, 677722, 697655, 699584, 720160, 765170, 797320, 823040, 826336, 874480, 944384, 972160, 976717, 1008224, 1032920, 1066240, 1071238, 1116248, 1152256, 1180480, 1224272, 1260280, 1275712, 1355444, 1395310, 1399168, 1440320, 1530340, 1594640, 1652672, 1694305, 1748960, 1944320, 1953434, 2016448, 2065840, 2142476, 2232496, 2360960, 2372027, 2448544, 2520560, 2551424, 2678095, 2710888, 2790620, 2798336, 2880640, 3060680, 3189280, 3305344, 3388610, 3497920, 3906868, 4032896, 4131680, 4284952, 4464992, 4721920, 4744054, 4883585, 4897088, 5041120, 5102848, 5356190, 5421776, 5581240, 5761280, 6121360, 6378560, 6610688, 6777220, 6995840, 7813736, 8065792, 8263360, 8569904, 8929984, 9488108, 9767170, 9794176, 10082240, 10712380, 10843552, 11162480, 11860135, 12242720, 12757120, 13554440, 13991680, 15627472, 16526720, 16604189, 17139808, 17859968, 18976216, 19534340, 19588352, 20164480, 21424760, 21687104, 22324960, 23720270, 24485440, 25514240, 27108880, 31254944, 33053440, 33208378, 34279616, 35719936, 37952432, 39068680, 40328960, 42849520, 43374208, 44649920, 47440540, 48970880, 54217760, 62509888, 66416756, 68559232, 75904864, 78137360, 83020945, 85699040, 86748416, 89299840, 94881080, 97941760, 108435520, 125019776, 132833512, 137118464, 151809728, 156274720, 166041890, 171398080, 178599680, 189762160, 216871040, 250039552, 265667024, 303619456, 312549440, 332083780, 342796160, 379524320, 433742080, 531334048, 607238912, 625098880, 664167560, 685592320, 759048640, 1062668096, 1250197760, 1328335120, 1518097280, 2125336192, 2656670240, 3036194560, 4250672384, 5313340480, 10626680960, 21253361920]

約数ペア:

[(1, 21253361920), (2, 10626680960), (4, 5313340480), (5, 4250672384), (7, 3036194560), (8, 2656670240), (10, 2125336192), (14, 1518097280), (16, 1328335120), (17, 1250197760), (20, 1062668096), (28, 759048640), (31, 685592320), (32, 664167560), (34, 625098880), (35, 607238912), (40, 531334048), (49, 433742080), (56, 379524320), (62, 342796160), (64, 332083780), (68, 312549440), (70, 303619456), (80, 265667024), (85, 250039552), (98, 216871040), (112, 189762160), (119, 178599680), (124, 171398080), (128, 166041890), (136, 156274720), (140, 151809728), (155, 137118464), (160, 132833512), (170, 125019776), (196, 108435520), (217, 97941760), (224, 94881080), (238, 89299840), (245, 86748416), (248, 85699040), (256, 83020945), (272, 78137360), (280, 75904864), (310, 68559232), (320, 66416756), (340, 62509888), (392, 54217760), (434, 48970880), (448, 47440540), (476, 44649920), (490, 43374208), (496, 42849520), (527, 40328960), (544, 39068680), (560, 37952432), (595, 35719936), (620, 34279616), (640, 33208378), (643, 33053440), (680, 31254944), (784, 27108880), (833, 25514240), (868, 24485440), (896, 23720270), (952, 22324960), (980, 21687104), (992, 21424760), (1054, 20164480), (1085, 19588352), (1088, 19534340), (1120, 18976216), (1190, 17859968), (1240, 17139808), (1280, 16604189), (1286, 16526720), (1360, 15627472), (1519, 13991680), (1568, 13554440), (1666, 12757120), (1736, 12242720), (1792, 11860135), (1904, 11162480), (1960, 10843552), (1984, 10712380), (2108, 10082240), (2170, 9794176), (2176, 9767170), (2240, 9488108), (2380, 8929984), (2480, 8569904), (2572, 8263360), (2635, 8065792), (2720, 7813736), (3038, 6995840), (3136, 6777220), (3215, 6610688), (3332, 6378560), (3472, 6121360), (3689, 5761280), (3808, 5581240), (3920, 5421776), (3968, 5356190), (4165, 5102848), (4216, 5041120), (4340, 4897088), (4352, 4883585), (4480, 4744054), (4501, 4721920), (4760, 4464992), (4960, 4284952), (5144, 4131680), (5270, 4032896), (5440, 3906868), (6076, 3497920), (6272, 3388610), (6430, 3305344), (6664, 3189280), (6944, 3060680), (7378, 2880640), (7595, 2798336), (7616, 2790620), (7840, 2710888), (7936, 2678095), (8330, 2551424), (8432, 2520560), (8680, 2448544), (8960, 2372027), (9002, 2360960), (9520, 2232496), (9920, 2142476), (10288, 2065840), (10540, 2016448), (10880, 1953434), (10931, 1944320), (12152, 1748960), (12544, 1694305), (12860, 1652672), (13328, 1594640), (13888, 1530340), (14756, 1440320), (15190, 1399168), (15232, 1395310), (15680, 1355444), (16660, 1275712), (16864, 1260280), (17360, 1224272), (18004, 1180480), (18445, 1152256), (19040, 1116248), (19840, 1071238), (19933, 1066240), (20576, 1032920), (21080, 1008224), (21760, 976717), (21862, 972160), (22505, 944384), (24304, 874480), (25720, 826336), (25823, 823040), (26656, 797320), (27776, 765170), (29512, 720160), (30380, 699584), (30464, 697655), (31360, 677722), (31507, 674560), (33320, 637856), (33728, 630140), (34720, 612136), (36008, 590240), (36890, 576128), (38080, 558124), (39680, 535619), (39866, 533120), (41152, 516460), (42160, 504112), (43724, 486080), (45010, 472192), (48608, 437240), (51440, 413168), (51646, 411520), (53312, 398660), (54655, 388864), (55552, 382585), (59024, 360080), (60760, 349792), (62720, 338861), (63014, 337280), (66640, 318928), (67456, 315070), (69440, 306068), (72016, 295120), (73780, 288064), (76160, 279062), (76517, 277760), (79732, 266560), (82304, 258230), (84320, 252056), (87448, 243040), (90020, 236096), (97216, 218620), (99665, 213248), (102880, 206584), (103292, 205760), (106624, 199330), (109310, 194432), (118048, 180040), (121520, 174896), (126028, 168640), (129115, 164608), (133280, 159464), (134912, 157535), (138880, 153034), (139531, 152320), (144032, 147560)]