21131600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7547}}^1$

素因数の和:7572

約数の個数: 60

約数和(自身を含む): 58029024

約数和(自身を除く): 36897424

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, 7547, 15094, 30188, 37735, 52829, 60376, 75470, 105658, 120752, 150940, 188675, 211316, 264145, 301880, 377350, 422632, 528290, 603760, 754700, 845264, 1056580, 1320725, 1509400, 2113160, 2641450, 3018800, 4226320, 5282900, 10565800, 21131600]

約数ペア:

[(1, 21131600), (2, 10565800), (4, 5282900), (5, 4226320), (7, 3018800), (8, 2641450), (10, 2113160), (14, 1509400), (16, 1320725), (20, 1056580), (25, 845264), (28, 754700), (35, 603760), (40, 528290), (50, 422632), (56, 377350), (70, 301880), (80, 264145), (100, 211316), (112, 188675), (140, 150940), (175, 120752), (200, 105658), (280, 75470), (350, 60376), (400, 52829), (560, 37735), (700, 30188), (1400, 15094), (2800, 7547)]