21400451100

素因数分解:

$2^2\times 3^7\times 5^2\times 7^2\times {\mathrm{1997}}^1$

素因数の和:2046

約数の個数: 432

約数和(自身を含む): 81059499360

約数和(自身を除く): 59659048260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 49, 50, 54, 60, 63, 70, 75, 81, 84, 90, 98, 100, 105, 108, 126, 135, 140, 147, 150, 162, 175, 180, 189, 196, 210, 225, 243, 245, 252, 270, 294, 300, 315, 324, 350, 378, 405, 420, 441, 450, 486, 490, 525, 540, 567, 588, 630, 675, 700, 729, 735, 756, 810, 882, 900, 945, 972, 980, 1050, 1134, 1215, 1225, 1260, 1323, 1350, 1458, 1470, 1575, 1620, 1701, 1764, 1890, 1997, 2025, 2100, 2187, 2205, 2268, 2430, 2450, 2646, 2700, 2835, 2916, 2940, 3150, 3402, 3645, 3675, 3780, 3969, 3994, 4050, 4374, 4410, 4725, 4860, 4900, 5103, 5292, 5670, 5991, 6075, 6300, 6615, 6804, 7290, 7350, 7938, 7988, 8100, 8505, 8748, 8820, 9450, 9985, 10206, 10935, 11025, 11340, 11907, 11982, 12150, 13230, 13979, 14175, 14580, 14700, 15309, 15876, 17010, 17973, 18225, 18900, 19845, 19970, 20412, 21870, 22050, 23814, 23964, 24300, 25515, 26460, 27958, 28350, 29955, 30618, 33075, 34020, 35721, 35946, 36450, 39690, 39940, 41937, 42525, 43740, 44100, 47628, 49925, 51030, 53919, 54675, 55916, 56700, 59535, 59910, 61236, 66150, 69895, 71442, 71892, 72900, 76545, 79380, 83874, 85050, 89865, 97853, 99225, 99850, 102060, 107163, 107838, 109350, 119070, 119820, 125811, 127575, 132300, 139790, 142884, 149775, 153090, 161757, 167748, 170100, 178605, 179730, 195706, 198450, 199700, 209685, 214326, 215676, 218700, 238140, 251622, 255150, 269595, 279580, 293559, 297675, 299550, 306180, 323514, 349475, 357210, 359460, 377433, 382725, 391412, 396900, 419370, 428652, 449325, 485271, 489265, 503244, 510300, 535815, 539190, 587118, 595350, 599100, 629055, 647028, 698950, 714420, 754866, 765450, 808785, 838740, 880677, 893025, 898650, 970542, 978530, 1048425, 1071630, 1078380, 1132299, 1174236, 1190700, 1258110, 1347975, 1397900, 1455813, 1467795, 1509732, 1530900, 1617570, 1761354, 1786050, 1797300, 1887165, 1941084, 1957060, 2096850, 2143260, 2264598, 2426355, 2446325, 2516220, 2642031, 2679075, 2695950, 2911626, 2935590, 3145275, 3235140, 3396897, 3522708, 3572100, 3774330, 4043925, 4193700, 4367439, 4403385, 4529196, 4852710, 4892650, 5284062, 5358150, 5391900, 5661495, 5823252, 5871180, 6290550, 6793794, 7279065, 7338975, 7548660, 7926093, 8087850, 8734878, 8806770, 9435825, 9705420, 9785300, 10190691, 10568124, 10716300, 11322990, 12131775, 12581100, 13210155, 13587588, 14558130, 14677950, 15852186, 16175700, 16984485, 17469756, 17613540, 18871650, 20381382, 21837195, 22016925, 22645980, 23778279, 24263550, 26420310, 28307475, 29116260, 29355900, 30572073, 31704372, 33968970, 36395325, 37743300, 39630465, 40762764, 43674390, 44033850, 47556558, 48527100, 50953455, 52840620, 56614950, 61144146, 66050775, 67937940, 71334837, 72790650, 79260930, 84922425, 87348780, 88067700, 95113116, 101906910, 109185975, 113229900, 118891395, 122288292, 132101550, 142669674, 145581300, 152860365, 158521860, 169844850, 198152325, 203813820, 214004511, 218371950, 237782790, 254767275, 264203100, 285339348, 305720730, 339689700, 356674185, 396304650, 428009022, 436743900, 475565580, 509534550, 594456975, 611441460, 713348370, 764301825, 792609300, 856018044, 1019069100, 1070022555, 1188913950, 1426696740, 1528603650, 1783370925, 2140045110, 2377827900, 3057207300, 3566741850, 4280090220, 5350112775, 7133483700, 10700225550, 21400451100]

約数ペア:

[(1, 21400451100), (2, 10700225550), (3, 7133483700), (4, 5350112775), (5, 4280090220), (6, 3566741850), (7, 3057207300), (9, 2377827900), (10, 2140045110), (12, 1783370925), (14, 1528603650), (15, 1426696740), (18, 1188913950), (20, 1070022555), (21, 1019069100), (25, 856018044), (27, 792609300), (28, 764301825), (30, 713348370), (35, 611441460), (36, 594456975), (42, 509534550), (45, 475565580), (49, 436743900), (50, 428009022), (54, 396304650), (60, 356674185), (63, 339689700), (70, 305720730), (75, 285339348), (81, 264203100), (84, 254767275), (90, 237782790), (98, 218371950), (100, 214004511), (105, 203813820), (108, 198152325), (126, 169844850), (135, 158521860), (140, 152860365), (147, 145581300), (150, 142669674), (162, 132101550), (175, 122288292), (180, 118891395), (189, 113229900), (196, 109185975), (210, 101906910), (225, 95113116), (243, 88067700), (245, 87348780), (252, 84922425), (270, 79260930), (294, 72790650), (300, 71334837), (315, 67937940), (324, 66050775), (350, 61144146), (378, 56614950), (405, 52840620), (420, 50953455), (441, 48527100), (450, 47556558), (486, 44033850), (490, 43674390), (525, 40762764), (540, 39630465), (567, 37743300), (588, 36395325), (630, 33968970), (675, 31704372), (700, 30572073), (729, 29355900), (735, 29116260), (756, 28307475), (810, 26420310), (882, 24263550), (900, 23778279), (945, 22645980), (972, 22016925), (980, 21837195), (1050, 20381382), (1134, 18871650), (1215, 17613540), (1225, 17469756), (1260, 16984485), (1323, 16175700), (1350, 15852186), (1458, 14677950), (1470, 14558130), (1575, 13587588), (1620, 13210155), (1701, 12581100), (1764, 12131775), (1890, 11322990), (1997, 10716300), (2025, 10568124), (2100, 10190691), (2187, 9785300), (2205, 9705420), (2268, 9435825), (2430, 8806770), (2450, 8734878), (2646, 8087850), (2700, 7926093), (2835, 7548660), (2916, 7338975), (2940, 7279065), (3150, 6793794), (3402, 6290550), (3645, 5871180), (3675, 5823252), (3780, 5661495), (3969, 5391900), (3994, 5358150), (4050, 5284062), (4374, 4892650), (4410, 4852710), (4725, 4529196), (4860, 4403385), (4900, 4367439), (5103, 4193700), (5292, 4043925), (5670, 3774330), (5991, 3572100), (6075, 3522708), (6300, 3396897), (6615, 3235140), (6804, 3145275), (7290, 2935590), (7350, 2911626), (7938, 2695950), (7988, 2679075), (8100, 2642031), (8505, 2516220), (8748, 2446325), (8820, 2426355), (9450, 2264598), (9985, 2143260), (10206, 2096850), (10935, 1957060), (11025, 1941084), (11340, 1887165), (11907, 1797300), (11982, 1786050), (12150, 1761354), (13230, 1617570), (13979, 1530900), (14175, 1509732), (14580, 1467795), (14700, 1455813), (15309, 1397900), (15876, 1347975), (17010, 1258110), (17973, 1190700), (18225, 1174236), (18900, 1132299), (19845, 1078380), (19970, 1071630), (20412, 1048425), (21870, 978530), (22050, 970542), (23814, 898650), (23964, 893025), (24300, 880677), (25515, 838740), (26460, 808785), (27958, 765450), (28350, 754866), (29955, 714420), (30618, 698950), (33075, 647028), (34020, 629055), (35721, 599100), (35946, 595350), (36450, 587118), (39690, 539190), (39940, 535815), (41937, 510300), (42525, 503244), (43740, 489265), (44100, 485271), (47628, 449325), (49925, 428652), (51030, 419370), (53919, 396900), (54675, 391412), (55916, 382725), (56700, 377433), (59535, 359460), (59910, 357210), (61236, 349475), (66150, 323514), (69895, 306180), (71442, 299550), (71892, 297675), (72900, 293559), (76545, 279580), (79380, 269595), (83874, 255150), (85050, 251622), (89865, 238140), (97853, 218700), (99225, 215676), (99850, 214326), (102060, 209685), (107163, 199700), (107838, 198450), (109350, 195706), (119070, 179730), (119820, 178605), (125811, 170100), (127575, 167748), (132300, 161757), (139790, 153090), (142884, 149775)]