21616000

素因数分解:

$2^7\times 5^3\times 7^1\times {\mathrm{193}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 61738560

約数和(自身を除く): 40122560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 128, 140, 160, 175, 193, 200, 224, 250, 280, 320, 350, 386, 400, 448, 500, 560, 640, 700, 772, 800, 875, 896, 965, 1000, 1120, 1351, 1400, 1544, 1600, 1750, 1930, 2000, 2240, 2702, 2800, 3088, 3200, 3500, 3860, 4000, 4480, 4825, 5404, 5600, 6176, 6755, 7000, 7720, 8000, 9650, 10808, 11200, 12352, 13510, 14000, 15440, 16000, 19300, 21616, 22400, 24125, 24704, 27020, 28000, 30880, 33775, 38600, 43232, 48250, 54040, 56000, 61760, 67550, 77200, 86464, 96500, 108080, 112000, 123520, 135100, 154400, 168875, 172928, 193000, 216160, 270200, 308800, 337750, 386000, 432320, 540400, 617600, 675500, 772000, 864640, 1080800, 1351000, 1544000, 2161600, 2702000, 3088000, 4323200, 5404000, 10808000, 21616000]

約数ペア:

[(1, 21616000), (2, 10808000), (4, 5404000), (5, 4323200), (7, 3088000), (8, 2702000), (10, 2161600), (14, 1544000), (16, 1351000), (20, 1080800), (25, 864640), (28, 772000), (32, 675500), (35, 617600), (40, 540400), (50, 432320), (56, 386000), (64, 337750), (70, 308800), (80, 270200), (100, 216160), (112, 193000), (125, 172928), (128, 168875), (140, 154400), (160, 135100), (175, 123520), (193, 112000), (200, 108080), (224, 96500), (250, 86464), (280, 77200), (320, 67550), (350, 61760), (386, 56000), (400, 54040), (448, 48250), (500, 43232), (560, 38600), (640, 33775), (700, 30880), (772, 28000), (800, 27020), (875, 24704), (896, 24125), (965, 22400), (1000, 21616), (1120, 19300), (1351, 16000), (1400, 15440), (1544, 14000), (1600, 13510), (1750, 12352), (1930, 11200), (2000, 10808), (2240, 9650), (2702, 8000), (2800, 7720), (3088, 7000), (3200, 6755), (3500, 6176), (3860, 5600), (4000, 5404), (4480, 4825)]