21178500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{2017}}^1$

素因数の和:2046

約数の個数: 96

約数和(自身を含む): 70516992

約数和(自身を除く): 49338492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 210, 250, 300, 350, 375, 420, 500, 525, 700, 750, 875, 1050, 1500, 1750, 2017, 2100, 2625, 3500, 4034, 5250, 6051, 8068, 10085, 10500, 12102, 14119, 20170, 24204, 28238, 30255, 40340, 42357, 50425, 56476, 60510, 70595, 84714, 100850, 121020, 141190, 151275, 169428, 201700, 211785, 252125, 282380, 302550, 352975, 423570, 504250, 605100, 705950, 756375, 847140, 1008500, 1058925, 1411900, 1512750, 1764875, 2117850, 3025500, 3529750, 4235700, 5294625, 7059500, 10589250, 21178500]

約数ペア:

[(1, 21178500), (2, 10589250), (3, 7059500), (4, 5294625), (5, 4235700), (6, 3529750), (7, 3025500), (10, 2117850), (12, 1764875), (14, 1512750), (15, 1411900), (20, 1058925), (21, 1008500), (25, 847140), (28, 756375), (30, 705950), (35, 605100), (42, 504250), (50, 423570), (60, 352975), (70, 302550), (75, 282380), (84, 252125), (100, 211785), (105, 201700), (125, 169428), (140, 151275), (150, 141190), (175, 121020), (210, 100850), (250, 84714), (300, 70595), (350, 60510), (375, 56476), (420, 50425), (500, 42357), (525, 40340), (700, 30255), (750, 28238), (875, 24204), (1050, 20170), (1500, 14119), (1750, 12102), (2017, 10500), (2100, 10085), (2625, 8068), (3500, 6051), (4034, 5250)]