21119600

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1427}}^1$

素因数の和:1482

約数の個数: 60

約数和(自身を含む): 52147704

約数和(自身を除く): 31028104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 148, 185, 200, 296, 370, 400, 592, 740, 925, 1427, 1480, 1850, 2854, 2960, 3700, 5708, 7135, 7400, 11416, 14270, 14800, 22832, 28540, 35675, 52799, 57080, 71350, 105598, 114160, 142700, 211196, 263995, 285400, 422392, 527990, 570800, 844784, 1055980, 1319975, 2111960, 2639950, 4223920, 5279900, 10559800, 21119600]

約数ペア:

[(1, 21119600), (2, 10559800), (4, 5279900), (5, 4223920), (8, 2639950), (10, 2111960), (16, 1319975), (20, 1055980), (25, 844784), (37, 570800), (40, 527990), (50, 422392), (74, 285400), (80, 263995), (100, 211196), (148, 142700), (185, 114160), (200, 105598), (296, 71350), (370, 57080), (400, 52799), (592, 35675), (740, 28540), (925, 22832), (1427, 14800), (1480, 14270), (1850, 11416), (2854, 7400), (2960, 7135), (3700, 5708)]