21137200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7549}}^1$

素因数の和:7574

約数の個数: 60

約数和(自身を含む): 58044400

約数和(自身を除く): 36907200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 7549, 15098, 30196, 37745, 52843, 60392, 75490, 105686, 120784, 150980, 188725, 211372, 264215, 301960, 377450, 422744, 528430, 603920, 754900, 845488, 1056860, 1321075, 1509800, 2113720, 2642150, 3019600, 4227440, 5284300, 10568600, 21137200]

約数ペア:

[(1, 21137200), (2, 10568600), (4, 5284300), (5, 4227440), (7, 3019600), (8, 2642150), (10, 2113720), (14, 1509800), (16, 1321075), (20, 1056860), (25, 845488), (28, 754900), (35, 603920), (40, 528430), (50, 422744), (56, 377450), (70, 301960), (80, 264215), (100, 211372), (112, 188725), (140, 150980), (175, 120784), (200, 105686), (280, 75490), (350, 60392), (400, 52843), (560, 37745), (700, 30196), (1400, 15098), (2800, 7549)]