21140000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{151}}^1$

素因数の和:188

約数の個数: 120

約数和(自身を含む): 59830848

約数和(自身を除く): 38690848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 151, 160, 175, 200, 224, 250, 280, 302, 350, 400, 500, 560, 604, 625, 700, 755, 800, 875, 1000, 1057, 1120, 1208, 1250, 1400, 1510, 1750, 2000, 2114, 2416, 2500, 2800, 3020, 3500, 3775, 4000, 4228, 4375, 4832, 5000, 5285, 5600, 6040, 7000, 7550, 8456, 8750, 10000, 10570, 12080, 14000, 15100, 16912, 17500, 18875, 20000, 21140, 24160, 26425, 28000, 30200, 33824, 35000, 37750, 42280, 52850, 60400, 70000, 75500, 84560, 94375, 105700, 120800, 132125, 140000, 151000, 169120, 188750, 211400, 264250, 302000, 377500, 422800, 528500, 604000, 660625, 755000, 845600, 1057000, 1321250, 1510000, 2114000, 2642500, 3020000, 4228000, 5285000, 10570000, 21140000]

約数ペア:

[(1, 21140000), (2, 10570000), (4, 5285000), (5, 4228000), (7, 3020000), (8, 2642500), (10, 2114000), (14, 1510000), (16, 1321250), (20, 1057000), (25, 845600), (28, 755000), (32, 660625), (35, 604000), (40, 528500), (50, 422800), (56, 377500), (70, 302000), (80, 264250), (100, 211400), (112, 188750), (125, 169120), (140, 151000), (151, 140000), (160, 132125), (175, 120800), (200, 105700), (224, 94375), (250, 84560), (280, 75500), (302, 70000), (350, 60400), (400, 52850), (500, 42280), (560, 37750), (604, 35000), (625, 33824), (700, 30200), (755, 28000), (800, 26425), (875, 24160), (1000, 21140), (1057, 20000), (1120, 18875), (1208, 17500), (1250, 16912), (1400, 15100), (1510, 14000), (1750, 12080), (2000, 10570), (2114, 10000), (2416, 8750), (2500, 8456), (2800, 7550), (3020, 7000), (3500, 6040), (3775, 5600), (4000, 5285), (4228, 5000), (4375, 4832)]