21035000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{601}}^1$

素因数の和:634

約数の個数: 80

約数和(自身を含む): 56419440

約数和(自身を除く): 35384440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 601, 625, 700, 875, 1000, 1202, 1250, 1400, 1750, 2404, 2500, 3005, 3500, 4207, 4375, 4808, 5000, 6010, 7000, 8414, 8750, 12020, 15025, 16828, 17500, 21035, 24040, 30050, 33656, 35000, 42070, 60100, 75125, 84140, 105175, 120200, 150250, 168280, 210350, 300500, 375625, 420700, 525875, 601000, 751250, 841400, 1051750, 1502500, 2103500, 2629375, 3005000, 4207000, 5258750, 10517500, 21035000]

約数ペア:

[(1, 21035000), (2, 10517500), (4, 5258750), (5, 4207000), (7, 3005000), (8, 2629375), (10, 2103500), (14, 1502500), (20, 1051750), (25, 841400), (28, 751250), (35, 601000), (40, 525875), (50, 420700), (56, 375625), (70, 300500), (100, 210350), (125, 168280), (140, 150250), (175, 120200), (200, 105175), (250, 84140), (280, 75125), (350, 60100), (500, 42070), (601, 35000), (625, 33656), (700, 30050), (875, 24040), (1000, 21035), (1202, 17500), (1250, 16828), (1400, 15025), (1750, 12020), (2404, 8750), (2500, 8414), (3005, 7000), (3500, 6010), (4207, 5000), (4375, 4808)]