21095514876

素因数分解:

$2^2\times 3^1\times {\mathrm{251}}^1\times {\mathrm{971}}^1\times {\mathrm{7213}}^1$

素因数の和:8442

約数の個数: 48

約数和(自身を含む): 49476728448

約数和(自身を除く): 28381213572

約数列:

[1, 2, 3, 4, 6, 12, 251, 502, 753, 971, 1004, 1506, 1942, 2913, 3012, 3884, 5826, 7213, 11652, 14426, 21639, 28852, 43278, 86556, 243721, 487442, 731163, 974884, 1462326, 1810463, 2924652, 3620926, 5431389, 7003823, 7241852, 10862778, 14007646, 21011469, 21725556, 28015292, 42022938, 84045876, 1757959573, 3515919146, 5273878719, 7031838292, 10547757438, 21095514876]

約数ペア:

[(1, 21095514876), (2, 10547757438), (3, 7031838292), (4, 5273878719), (6, 3515919146), (12, 1757959573), (251, 84045876), (502, 42022938), (753, 28015292), (971, 21725556), (1004, 21011469), (1506, 14007646), (1942, 10862778), (2913, 7241852), (3012, 7003823), (3884, 5431389), (5826, 3620926), (7213, 2924652), (11652, 1810463), (14426, 1462326), (21639, 974884), (28852, 731163), (43278, 487442), (86556, 243721)]