21042000

素因数分解:

$2^4\times 3^2\times 5^3\times 7^1\times {\mathrm{167}}^1$

素因数の和:203

約数の個数: 240

約数和(自身を含む): 84494592

約数和(自身を除く): 63452592

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, 167, 168, 175, 180, 200, 210, 225, 240, 250, 252, 280, 300, 315, 334, 336, 350, 360, 375, 400, 420, 450, 500, 501, 504, 525, 560, 600, 630, 668, 700, 720, 750, 835, 840, 875, 900, 1000, 1002, 1008, 1050, 1125, 1169, 1200, 1260, 1336, 1400, 1500, 1503, 1575, 1670, 1680, 1750, 1800, 2000, 2004, 2100, 2250, 2338, 2505, 2520, 2625, 2672, 2800, 3000, 3006, 3150, 3340, 3500, 3507, 3600, 4008, 4175, 4200, 4500, 4676, 5010, 5040, 5250, 5845, 6000, 6012, 6300, 6680, 7000, 7014, 7515, 7875, 8016, 8350, 8400, 9000, 9352, 10020, 10500, 10521, 11690, 12024, 12525, 12600, 13360, 14000, 14028, 15030, 15750, 16700, 17535, 18000, 18704, 20040, 20875, 21000, 21042, 23380, 24048, 25050, 25200, 28056, 29225, 30060, 31500, 33400, 35070, 37575, 40080, 41750, 42000, 42084, 46760, 50100, 52605, 56112, 58450, 60120, 62625, 63000, 66800, 70140, 75150, 83500, 84168, 87675, 93520, 100200, 105210, 116900, 120240, 125250, 126000, 140280, 146125, 150300, 167000, 168336, 175350, 187875, 200400, 210420, 233800, 250500, 263025, 280560, 292250, 300600, 334000, 350700, 375750, 420840, 438375, 467600, 501000, 526050, 584500, 601200, 701400, 751500, 841680, 876750, 1002000, 1052100, 1169000, 1315125, 1402800, 1503000, 1753500, 2104200, 2338000, 2630250, 3006000, 3507000, 4208400, 5260500, 7014000, 10521000, 21042000]

約数ペア:

[(1, 21042000), (2, 10521000), (3, 7014000), (4, 5260500), (5, 4208400), (6, 3507000), (7, 3006000), (8, 2630250), (9, 2338000), (10, 2104200), (12, 1753500), (14, 1503000), (15, 1402800), (16, 1315125), (18, 1169000), (20, 1052100), (21, 1002000), (24, 876750), (25, 841680), (28, 751500), (30, 701400), (35, 601200), (36, 584500), (40, 526050), (42, 501000), (45, 467600), (48, 438375), (50, 420840), (56, 375750), (60, 350700), (63, 334000), (70, 300600), (72, 292250), (75, 280560), (80, 263025), (84, 250500), (90, 233800), (100, 210420), (105, 200400), (112, 187875), (120, 175350), (125, 168336), (126, 167000), (140, 150300), (144, 146125), (150, 140280), (167, 126000), (168, 125250), (175, 120240), (180, 116900), (200, 105210), (210, 100200), (225, 93520), (240, 87675), (250, 84168), (252, 83500), (280, 75150), (300, 70140), (315, 66800), (334, 63000), (336, 62625), (350, 60120), (360, 58450), (375, 56112), (400, 52605), (420, 50100), (450, 46760), (500, 42084), (501, 42000), (504, 41750), (525, 40080), (560, 37575), (600, 35070), (630, 33400), (668, 31500), (700, 30060), (720, 29225), (750, 28056), (835, 25200), (840, 25050), (875, 24048), (900, 23380), (1000, 21042), (1002, 21000), (1008, 20875), (1050, 20040), (1125, 18704), (1169, 18000), (1200, 17535), (1260, 16700), (1336, 15750), (1400, 15030), (1500, 14028), (1503, 14000), (1575, 13360), (1670, 12600), (1680, 12525), (1750, 12024), (1800, 11690), (2000, 10521), (2004, 10500), (2100, 10020), (2250, 9352), (2338, 9000), (2505, 8400), (2520, 8350), (2625, 8016), (2672, 7875), (2800, 7515), (3000, 7014), (3006, 7000), (3150, 6680), (3340, 6300), (3500, 6012), (3507, 6000), (3600, 5845), (4008, 5250), (4175, 5040), (4200, 5010), (4500, 4676)]