21251160

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{937}}^1$

素因数の和:967

約数の個数: 160

約数和(自身を含む): 81718560

約数和(自身を除く): 60467400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 937, 945, 1080, 1134, 1260, 1512, 1620, 1874, 1890, 2268, 2520, 2811, 2835, 3240, 3748, 3780, 4536, 4685, 5622, 5670, 6559, 7496, 7560, 8433, 9370, 11244, 11340, 13118, 14055, 16866, 18740, 19677, 22488, 22680, 25299, 26236, 28110, 32795, 33732, 37480, 39354, 42165, 50598, 52472, 56220, 59031, 65590, 67464, 75897, 78708, 84330, 98385, 101196, 112440, 118062, 126495, 131180, 151794, 157416, 168660, 177093, 196770, 202392, 236124, 252990, 262360, 295155, 303588, 337320, 354186, 379485, 393540, 472248, 505980, 531279, 590310, 607176, 708372, 758970, 787080, 885465, 1011960, 1062558, 1180620, 1416744, 1517940, 1770930, 2125116, 2361240, 2656395, 3035880, 3541860, 4250232, 5312790, 7083720, 10625580, 21251160]

約数ペア:

[(1, 21251160), (2, 10625580), (3, 7083720), (4, 5312790), (5, 4250232), (6, 3541860), (7, 3035880), (8, 2656395), (9, 2361240), (10, 2125116), (12, 1770930), (14, 1517940), (15, 1416744), (18, 1180620), (20, 1062558), (21, 1011960), (24, 885465), (27, 787080), (28, 758970), (30, 708372), (35, 607176), (36, 590310), (40, 531279), (42, 505980), (45, 472248), (54, 393540), (56, 379485), (60, 354186), (63, 337320), (70, 303588), (72, 295155), (81, 262360), (84, 252990), (90, 236124), (105, 202392), (108, 196770), (120, 177093), (126, 168660), (135, 157416), (140, 151794), (162, 131180), (168, 126495), (180, 118062), (189, 112440), (210, 101196), (216, 98385), (252, 84330), (270, 78708), (280, 75897), (315, 67464), (324, 65590), (360, 59031), (378, 56220), (405, 52472), (420, 50598), (504, 42165), (540, 39354), (567, 37480), (630, 33732), (648, 32795), (756, 28110), (810, 26236), (840, 25299), (937, 22680), (945, 22488), (1080, 19677), (1134, 18740), (1260, 16866), (1512, 14055), (1620, 13118), (1874, 11340), (1890, 11244), (2268, 9370), (2520, 8433), (2811, 7560), (2835, 7496), (3240, 6559), (3748, 5670), (3780, 5622), (4536, 4685)]