21798000

素因数分解:

$2^4\times 3^2\times 5^3\times 7^1\times {\mathrm{173}}^1$

素因数の和:209

約数の個数: 240

約数和(自身を含む): 87512256

約数和(自身を除く): 65714256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 112, 120, 125, 126, 140, 144, 150, 168, 173, 175, 180, 200, 210, 225, 240, 250, 252, 280, 300, 315, 336, 346, 350, 360, 375, 400, 420, 450, 500, 504, 519, 525, 560, 600, 630, 692, 700, 720, 750, 840, 865, 875, 900, 1000, 1008, 1038, 1050, 1125, 1200, 1211, 1260, 1384, 1400, 1500, 1557, 1575, 1680, 1730, 1750, 1800, 2000, 2076, 2100, 2250, 2422, 2520, 2595, 2625, 2768, 2800, 3000, 3114, 3150, 3460, 3500, 3600, 3633, 4152, 4200, 4325, 4500, 4844, 5040, 5190, 5250, 6000, 6055, 6228, 6300, 6920, 7000, 7266, 7785, 7875, 8304, 8400, 8650, 9000, 9688, 10380, 10500, 10899, 12110, 12456, 12600, 12975, 13840, 14000, 14532, 15570, 15750, 17300, 18000, 18165, 19376, 20760, 21000, 21625, 21798, 24220, 24912, 25200, 25950, 29064, 30275, 31140, 31500, 34600, 36330, 38925, 41520, 42000, 43250, 43596, 48440, 51900, 54495, 58128, 60550, 62280, 63000, 64875, 69200, 72660, 77850, 86500, 87192, 90825, 96880, 103800, 108990, 121100, 124560, 126000, 129750, 145320, 151375, 155700, 173000, 174384, 181650, 194625, 207600, 217980, 242200, 259500, 272475, 290640, 302750, 311400, 346000, 363300, 389250, 435960, 454125, 484400, 519000, 544950, 605500, 622800, 726600, 778500, 871920, 908250, 1038000, 1089900, 1211000, 1362375, 1453200, 1557000, 1816500, 2179800, 2422000, 2724750, 3114000, 3633000, 4359600, 5449500, 7266000, 10899000, 21798000]

約数ペア:

[(1, 21798000), (2, 10899000), (3, 7266000), (4, 5449500), (5, 4359600), (6, 3633000), (7, 3114000), (8, 2724750), (9, 2422000), (10, 2179800), (12, 1816500), (14, 1557000), (15, 1453200), (16, 1362375), (18, 1211000), (20, 1089900), (21, 1038000), (24, 908250), (25, 871920), (28, 778500), (30, 726600), (35, 622800), (36, 605500), (40, 544950), (42, 519000), (45, 484400), (48, 454125), (50, 435960), (56, 389250), (60, 363300), (63, 346000), (70, 311400), (72, 302750), (75, 290640), (80, 272475), (84, 259500), (90, 242200), (100, 217980), (105, 207600), (112, 194625), (120, 181650), (125, 174384), (126, 173000), (140, 155700), (144, 151375), (150, 145320), (168, 129750), (173, 126000), (175, 124560), (180, 121100), (200, 108990), (210, 103800), (225, 96880), (240, 90825), (250, 87192), (252, 86500), (280, 77850), (300, 72660), (315, 69200), (336, 64875), (346, 63000), (350, 62280), (360, 60550), (375, 58128), (400, 54495), (420, 51900), (450, 48440), (500, 43596), (504, 43250), (519, 42000), (525, 41520), (560, 38925), (600, 36330), (630, 34600), (692, 31500), (700, 31140), (720, 30275), (750, 29064), (840, 25950), (865, 25200), (875, 24912), (900, 24220), (1000, 21798), (1008, 21625), (1038, 21000), (1050, 20760), (1125, 19376), (1200, 18165), (1211, 18000), (1260, 17300), (1384, 15750), (1400, 15570), (1500, 14532), (1557, 14000), (1575, 13840), (1680, 12975), (1730, 12600), (1750, 12456), (1800, 12110), (2000, 10899), (2076, 10500), (2100, 10380), (2250, 9688), (2422, 9000), (2520, 8650), (2595, 8400), (2625, 8304), (2768, 7875), (2800, 7785), (3000, 7266), (3114, 7000), (3150, 6920), (3460, 6300), (3500, 6228), (3600, 6055), (3633, 6000), (4152, 5250), (4200, 5190), (4325, 5040), (4500, 4844)]