21606984

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1059

約数の個数: 96

約数和(自身を含む): 68502720

約数和(自身を除く): 46895736

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 43, 56, 63, 72, 84, 86, 126, 129, 168, 172, 252, 258, 301, 344, 387, 504, 516, 602, 774, 903, 997, 1032, 1204, 1548, 1806, 1994, 2408, 2709, 2991, 3096, 3612, 3988, 5418, 5982, 6979, 7224, 7976, 8973, 10836, 11964, 13958, 17946, 20937, 21672, 23928, 27916, 35892, 41874, 42871, 55832, 62811, 71784, 83748, 85742, 125622, 128613, 167496, 171484, 251244, 257226, 300097, 342968, 385839, 502488, 514452, 600194, 771678, 900291, 1028904, 1200388, 1543356, 1800582, 2400776, 2700873, 3086712, 3601164, 5401746, 7202328, 10803492, 21606984]

約数ペア:

[(1, 21606984), (2, 10803492), (3, 7202328), (4, 5401746), (6, 3601164), (7, 3086712), (8, 2700873), (9, 2400776), (12, 1800582), (14, 1543356), (18, 1200388), (21, 1028904), (24, 900291), (28, 771678), (36, 600194), (42, 514452), (43, 502488), (56, 385839), (63, 342968), (72, 300097), (84, 257226), (86, 251244), (126, 171484), (129, 167496), (168, 128613), (172, 125622), (252, 85742), (258, 83748), (301, 71784), (344, 62811), (387, 55832), (504, 42871), (516, 41874), (602, 35892), (774, 27916), (903, 23928), (997, 21672), (1032, 20937), (1204, 17946), (1548, 13958), (1806, 11964), (1994, 10836), (2408, 8973), (2709, 7976), (2991, 7224), (3096, 6979), (3612, 5982), (3988, 5418)]