21756896

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 52835328

約数和(自身を除く): 31078432

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 41, 46, 56, 82, 92, 103, 112, 161, 164, 184, 206, 224, 287, 322, 328, 368, 412, 574, 644, 656, 721, 736, 824, 943, 1148, 1288, 1312, 1442, 1648, 1886, 2296, 2369, 2576, 2884, 3296, 3772, 4223, 4592, 4738, 5152, 5768, 6601, 7544, 8446, 9184, 9476, 11536, 13202, 15088, 16583, 16892, 18952, 23072, 26404, 29561, 30176, 33166, 33784, 37904, 52808, 59122, 66332, 67568, 75808, 97129, 105616, 118244, 132664, 135136, 194258, 211232, 236488, 265328, 388516, 472976, 530656, 679903, 777032, 945952, 1359806, 1554064, 2719612, 3108128, 5439224, 10878448, 21756896]

約数ペア:

[(1, 21756896), (2, 10878448), (4, 5439224), (7, 3108128), (8, 2719612), (14, 1554064), (16, 1359806), (23, 945952), (28, 777032), (32, 679903), (41, 530656), (46, 472976), (56, 388516), (82, 265328), (92, 236488), (103, 211232), (112, 194258), (161, 135136), (164, 132664), (184, 118244), (206, 105616), (224, 97129), (287, 75808), (322, 67568), (328, 66332), (368, 59122), (412, 52808), (574, 37904), (644, 33784), (656, 33166), (721, 30176), (736, 29561), (824, 26404), (943, 23072), (1148, 18952), (1288, 16892), (1312, 16583), (1442, 15088), (1648, 13202), (1886, 11536), (2296, 9476), (2369, 9184), (2576, 8446), (2884, 7544), (3296, 6601), (3772, 5768), (4223, 5152), (4592, 4738)]