21246984

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 63554400

約数和(自身を除く): 42307416

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 139, 193, 198, 264, 278, 386, 396, 417, 556, 579, 772, 792, 834, 1112, 1158, 1251, 1529, 1544, 1668, 1737, 2123, 2316, 2502, 3058, 3336, 3474, 4246, 4587, 4632, 5004, 6116, 6369, 6948, 8492, 9174, 10008, 12232, 12738, 13761, 13896, 16984, 18348, 19107, 25476, 26827, 27522, 36696, 38214, 50952, 53654, 55044, 76428, 80481, 107308, 110088, 152856, 160962, 214616, 241443, 295097, 321924, 482886, 590194, 643848, 885291, 965772, 1180388, 1770582, 1931544, 2360776, 2655873, 3541164, 5311746, 7082328, 10623492, 21246984]

約数ペア:

[(1, 21246984), (2, 10623492), (3, 7082328), (4, 5311746), (6, 3541164), (8, 2655873), (9, 2360776), (11, 1931544), (12, 1770582), (18, 1180388), (22, 965772), (24, 885291), (33, 643848), (36, 590194), (44, 482886), (66, 321924), (72, 295097), (88, 241443), (99, 214616), (132, 160962), (139, 152856), (193, 110088), (198, 107308), (264, 80481), (278, 76428), (386, 55044), (396, 53654), (417, 50952), (556, 38214), (579, 36696), (772, 27522), (792, 26827), (834, 25476), (1112, 19107), (1158, 18348), (1251, 16984), (1529, 13896), (1544, 13761), (1668, 12738), (1737, 12232), (2123, 10008), (2316, 9174), (2502, 8492), (3058, 6948), (3336, 6369), (3474, 6116), (4246, 5004), (4587, 4632)]