21265596

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:751

約数の個数: 72

約数和(自身を含む): 59439744

約数和(自身を除く): 38174148

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 83, 99, 132, 166, 198, 249, 332, 396, 498, 647, 747, 913, 996, 1294, 1494, 1826, 1941, 2588, 2739, 2988, 3652, 3882, 5478, 5823, 7117, 7764, 8217, 10956, 11646, 14234, 16434, 21351, 23292, 28468, 32868, 42702, 53701, 64053, 85404, 107402, 128106, 161103, 214804, 256212, 322206, 483309, 590711, 644412, 966618, 1181422, 1772133, 1933236, 2362844, 3544266, 5316399, 7088532, 10632798, 21265596]

約数ペア:

[(1, 21265596), (2, 10632798), (3, 7088532), (4, 5316399), (6, 3544266), (9, 2362844), (11, 1933236), (12, 1772133), (18, 1181422), (22, 966618), (33, 644412), (36, 590711), (44, 483309), (66, 322206), (83, 256212), (99, 214804), (132, 161103), (166, 128106), (198, 107402), (249, 85404), (332, 64053), (396, 53701), (498, 42702), (647, 32868), (747, 28468), (913, 23292), (996, 21351), (1294, 16434), (1494, 14234), (1826, 11646), (1941, 10956), (2588, 8217), (2739, 7764), (2988, 7117), (3652, 5823), (3882, 5478)]