21188244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1045

約数の個数: 96

約数和(自身を含む): 64382976

約数和(自身を除く): 43194732

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 23, 28, 33, 42, 44, 46, 66, 69, 77, 84, 92, 132, 138, 154, 161, 231, 253, 276, 308, 322, 462, 483, 506, 644, 759, 924, 966, 997, 1012, 1518, 1771, 1932, 1994, 2991, 3036, 3542, 3988, 5313, 5982, 6979, 7084, 10626, 10967, 11964, 13958, 20937, 21252, 21934, 22931, 27916, 32901, 41874, 43868, 45862, 65802, 68793, 76769, 83748, 91724, 131604, 137586, 153538, 160517, 230307, 252241, 275172, 307076, 321034, 460614, 481551, 504482, 642068, 756723, 921228, 963102, 1008964, 1513446, 1765687, 1926204, 3026892, 3531374, 5297061, 7062748, 10594122, 21188244]

約数ペア:

[(1, 21188244), (2, 10594122), (3, 7062748), (4, 5297061), (6, 3531374), (7, 3026892), (11, 1926204), (12, 1765687), (14, 1513446), (21, 1008964), (22, 963102), (23, 921228), (28, 756723), (33, 642068), (42, 504482), (44, 481551), (46, 460614), (66, 321034), (69, 307076), (77, 275172), (84, 252241), (92, 230307), (132, 160517), (138, 153538), (154, 137586), (161, 131604), (231, 91724), (253, 83748), (276, 76769), (308, 68793), (322, 65802), (462, 45862), (483, 43868), (506, 41874), (644, 32901), (759, 27916), (924, 22931), (966, 21934), (997, 21252), (1012, 20937), (1518, 13958), (1771, 11964), (1932, 10967), (1994, 10626), (2991, 7084), (3036, 6979), (3542, 5982), (3988, 5313)]