21154000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{1511}}^1$

素因数の和:1541

約数の個数: 80

約数和(自身を含む): 58496256

約数和(自身を除く): 37342256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1400, 1511, 1750, 2000, 2800, 3022, 3500, 6044, 7000, 7555, 10577, 12088, 14000, 15110, 21154, 24176, 30220, 37775, 42308, 52885, 60440, 75550, 84616, 105770, 120880, 151100, 169232, 188875, 211540, 264425, 302200, 377750, 423080, 528850, 604400, 755500, 846160, 1057700, 1322125, 1511000, 2115400, 2644250, 3022000, 4230800, 5288500, 10577000, 21154000]

約数ペア:

[(1, 21154000), (2, 10577000), (4, 5288500), (5, 4230800), (7, 3022000), (8, 2644250), (10, 2115400), (14, 1511000), (16, 1322125), (20, 1057700), (25, 846160), (28, 755500), (35, 604400), (40, 528850), (50, 423080), (56, 377750), (70, 302200), (80, 264425), (100, 211540), (112, 188875), (125, 169232), (140, 151100), (175, 120880), (200, 105770), (250, 84616), (280, 75550), (350, 60440), (400, 52885), (500, 42308), (560, 37775), (700, 30220), (875, 24176), (1000, 21154), (1400, 15110), (1511, 14000), (1750, 12088), (2000, 10577), (2800, 7555), (3022, 7000), (3500, 6044)]