21444966

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 28321434

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 59, 106, 118, 127, 159, 177, 254, 318, 354, 381, 477, 531, 762, 954, 1062, 1143, 1431, 1593, 2286, 2862, 3127, 3186, 3429, 6254, 6731, 6858, 7493, 9381, 13462, 14986, 18762, 20193, 22479, 28143, 40386, 44958, 56286, 60579, 67437, 84429, 121158, 134874, 168858, 181737, 202311, 363474, 397129, 404622, 794258, 1191387, 2382774, 3574161, 7148322, 10722483, 21444966]

約数ペア:

[(1, 21444966), (2, 10722483), (3, 7148322), (6, 3574161), (9, 2382774), (18, 1191387), (27, 794258), (53, 404622), (54, 397129), (59, 363474), (106, 202311), (118, 181737), (127, 168858), (159, 134874), (177, 121158), (254, 84429), (318, 67437), (354, 60579), (381, 56286), (477, 44958), (531, 40386), (762, 28143), (954, 22479), (1062, 20193), (1143, 18762), (1431, 14986), (1593, 13462), (2286, 9381), (2862, 7493), (3127, 6858), (3186, 6731), (3429, 6254)]