16721936

素因数分解:

$2^4\times 7^3\times {\mathrm{11}}^1\times {\mathrm{277}}^1$

素因数の和:317

約数の個数: 80

約数和(自身を含む): 41366400

約数和(自身を除く): 24644464

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 277, 308, 343, 392, 539, 554, 616, 686, 784, 1078, 1108, 1232, 1372, 1939, 2156, 2216, 2744, 3047, 3773, 3878, 4312, 4432, 5488, 6094, 7546, 7756, 8624, 12188, 13573, 15092, 15512, 21329, 24376, 27146, 30184, 31024, 42658, 48752, 54292, 60368, 85316, 95011, 108584, 149303, 170632, 190022, 217168, 298606, 341264, 380044, 597212, 760088, 1045121, 1194424, 1520176, 2090242, 2388848, 4180484, 8360968, 16721936]

約数ペア:

[(1, 16721936), (2, 8360968), (4, 4180484), (7, 2388848), (8, 2090242), (11, 1520176), (14, 1194424), (16, 1045121), (22, 760088), (28, 597212), (44, 380044), (49, 341264), (56, 298606), (77, 217168), (88, 190022), (98, 170632), (112, 149303), (154, 108584), (176, 95011), (196, 85316), (277, 60368), (308, 54292), (343, 48752), (392, 42658), (539, 31024), (554, 30184), (616, 27146), (686, 24376), (784, 21329), (1078, 15512), (1108, 15092), (1232, 13573), (1372, 12188), (1939, 8624), (2156, 7756), (2216, 7546), (2744, 6094), (3047, 5488), (3773, 4432), (3878, 4312)]