21112000

素因数分解:

$2^6\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:76

約数の個数: 224

約数和(自身を含む): 66568320

約数和(自身を除く): 45456320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 29, 32, 35, 40, 50, 52, 56, 58, 64, 65, 70, 80, 91, 100, 104, 112, 116, 125, 130, 140, 145, 160, 175, 182, 200, 203, 208, 224, 232, 250, 260, 280, 290, 320, 325, 350, 364, 377, 400, 406, 416, 448, 455, 464, 500, 520, 560, 580, 650, 700, 725, 728, 754, 800, 812, 832, 875, 910, 928, 1000, 1015, 1040, 1120, 1160, 1300, 1400, 1450, 1456, 1508, 1600, 1624, 1625, 1750, 1820, 1856, 1885, 2000, 2030, 2080, 2240, 2275, 2320, 2600, 2639, 2800, 2900, 2912, 3016, 3248, 3250, 3500, 3625, 3640, 3770, 4000, 4060, 4160, 4550, 4640, 5075, 5200, 5278, 5600, 5800, 5824, 6032, 6496, 6500, 7000, 7250, 7280, 7540, 8000, 8120, 9100, 9280, 9425, 10150, 10400, 10556, 11200, 11375, 11600, 12064, 12992, 13000, 13195, 14000, 14500, 14560, 15080, 16240, 18200, 18850, 20300, 20800, 21112, 22750, 23200, 24128, 25375, 26000, 26390, 28000, 29000, 29120, 30160, 32480, 36400, 37700, 40600, 42224, 45500, 46400, 47125, 50750, 52000, 52780, 56000, 58000, 60320, 64960, 65975, 72800, 75400, 81200, 84448, 91000, 94250, 101500, 104000, 105560, 116000, 120640, 131950, 145600, 150800, 162400, 168896, 182000, 188500, 203000, 211120, 232000, 263900, 301600, 324800, 329875, 364000, 377000, 406000, 422240, 527800, 603200, 659750, 728000, 754000, 812000, 844480, 1055600, 1319500, 1508000, 1624000, 2111200, 2639000, 3016000, 4222400, 5278000, 10556000, 21112000]

約数ペア:

[(1, 21112000), (2, 10556000), (4, 5278000), (5, 4222400), (7, 3016000), (8, 2639000), (10, 2111200), (13, 1624000), (14, 1508000), (16, 1319500), (20, 1055600), (25, 844480), (26, 812000), (28, 754000), (29, 728000), (32, 659750), (35, 603200), (40, 527800), (50, 422240), (52, 406000), (56, 377000), (58, 364000), (64, 329875), (65, 324800), (70, 301600), (80, 263900), (91, 232000), (100, 211120), (104, 203000), (112, 188500), (116, 182000), (125, 168896), (130, 162400), (140, 150800), (145, 145600), (160, 131950), (175, 120640), (182, 116000), (200, 105560), (203, 104000), (208, 101500), (224, 94250), (232, 91000), (250, 84448), (260, 81200), (280, 75400), (290, 72800), (320, 65975), (325, 64960), (350, 60320), (364, 58000), (377, 56000), (400, 52780), (406, 52000), (416, 50750), (448, 47125), (455, 46400), (464, 45500), (500, 42224), (520, 40600), (560, 37700), (580, 36400), (650, 32480), (700, 30160), (725, 29120), (728, 29000), (754, 28000), (800, 26390), (812, 26000), (832, 25375), (875, 24128), (910, 23200), (928, 22750), (1000, 21112), (1015, 20800), (1040, 20300), (1120, 18850), (1160, 18200), (1300, 16240), (1400, 15080), (1450, 14560), (1456, 14500), (1508, 14000), (1600, 13195), (1624, 13000), (1625, 12992), (1750, 12064), (1820, 11600), (1856, 11375), (1885, 11200), (2000, 10556), (2030, 10400), (2080, 10150), (2240, 9425), (2275, 9280), (2320, 9100), (2600, 8120), (2639, 8000), (2800, 7540), (2900, 7280), (2912, 7250), (3016, 7000), (3248, 6500), (3250, 6496), (3500, 6032), (3625, 5824), (3640, 5800), (3770, 5600), (4000, 5278), (4060, 5200), (4160, 5075), (4550, 4640)]