21186032

素因数分解:

$2^4\times 7^2\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:526

約数の個数: 60

約数和(自身を含む): 48641976

約数和(自身を除く): 27455944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 61, 98, 112, 122, 196, 244, 392, 427, 443, 488, 784, 854, 886, 976, 1708, 1772, 2989, 3101, 3416, 3544, 5978, 6202, 6832, 7088, 11956, 12404, 21707, 23912, 24808, 27023, 43414, 47824, 49616, 54046, 86828, 108092, 173656, 189161, 216184, 347312, 378322, 432368, 756644, 1324127, 1513288, 2648254, 3026576, 5296508, 10593016, 21186032]

約数ペア:

[(1, 21186032), (2, 10593016), (4, 5296508), (7, 3026576), (8, 2648254), (14, 1513288), (16, 1324127), (28, 756644), (49, 432368), (56, 378322), (61, 347312), (98, 216184), (112, 189161), (122, 173656), (196, 108092), (244, 86828), (392, 54046), (427, 49616), (443, 47824), (488, 43414), (784, 27023), (854, 24808), (886, 23912), (976, 21707), (1708, 12404), (1772, 11956), (2989, 7088), (3101, 6832), (3416, 6202), (3544, 5978)]