21085400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{15061}}^1$

素因数の和:15084

約数の個数: 48

約数和(自身を含む): 56030640

約数和(自身を除く): 34945240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 15061, 30122, 60244, 75305, 105427, 120488, 150610, 210854, 301220, 376525, 421708, 527135, 602440, 753050, 843416, 1054270, 1506100, 2108540, 2635675, 3012200, 4217080, 5271350, 10542700, 21085400]

約数ペア:

[(1, 21085400), (2, 10542700), (4, 5271350), (5, 4217080), (7, 3012200), (8, 2635675), (10, 2108540), (14, 1506100), (20, 1054270), (25, 843416), (28, 753050), (35, 602440), (40, 527135), (50, 421708), (56, 376525), (70, 301220), (100, 210854), (140, 150610), (175, 120488), (200, 105427), (280, 75305), (350, 60244), (700, 30122), (1400, 15061)]