21707000

素因数分解:

$2^3\times 5^3\times 7^2\times {\mathrm{443}}^1$

素因数の和:478

約数の個数: 96

約数和(自身を含む): 59220720

約数和(自身を除く): 37513720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 443, 490, 500, 700, 875, 886, 980, 1000, 1225, 1400, 1750, 1772, 1960, 2215, 2450, 3101, 3500, 3544, 4430, 4900, 6125, 6202, 7000, 8860, 9800, 11075, 12250, 12404, 15505, 17720, 21707, 22150, 24500, 24808, 31010, 43414, 44300, 49000, 55375, 62020, 77525, 86828, 88600, 108535, 110750, 124040, 155050, 173656, 217070, 221500, 310100, 387625, 434140, 443000, 542675, 620200, 775250, 868280, 1085350, 1550500, 2170700, 2713375, 3101000, 4341400, 5426750, 10853500, 21707000]

約数ペア:

[(1, 21707000), (2, 10853500), (4, 5426750), (5, 4341400), (7, 3101000), (8, 2713375), (10, 2170700), (14, 1550500), (20, 1085350), (25, 868280), (28, 775250), (35, 620200), (40, 542675), (49, 443000), (50, 434140), (56, 387625), (70, 310100), (98, 221500), (100, 217070), (125, 173656), (140, 155050), (175, 124040), (196, 110750), (200, 108535), (245, 88600), (250, 86828), (280, 77525), (350, 62020), (392, 55375), (443, 49000), (490, 44300), (500, 43414), (700, 31010), (875, 24808), (886, 24500), (980, 22150), (1000, 21707), (1225, 17720), (1400, 15505), (1750, 12404), (1772, 12250), (1960, 11075), (2215, 9800), (2450, 8860), (3101, 7000), (3500, 6202), (3544, 6125), (4430, 4900)]