21986600

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2339}}^1$

素因数の和:2402

約数の個数: 48

約数和(自身を含む): 52228800

約数和(自身を除く): 30242200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 188, 200, 235, 376, 470, 940, 1175, 1880, 2339, 2350, 4678, 4700, 9356, 9400, 11695, 18712, 23390, 46780, 58475, 93560, 109933, 116950, 219866, 233900, 439732, 467800, 549665, 879464, 1099330, 2198660, 2748325, 4397320, 5496650, 10993300, 21986600]

約数ペア:

[(1, 21986600), (2, 10993300), (4, 5496650), (5, 4397320), (8, 2748325), (10, 2198660), (20, 1099330), (25, 879464), (40, 549665), (47, 467800), (50, 439732), (94, 233900), (100, 219866), (188, 116950), (200, 109933), (235, 93560), (376, 58475), (470, 46780), (940, 23390), (1175, 18712), (1880, 11695), (2339, 9400), (2350, 9356), (4678, 4700)]