21560724

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{10151}}^1$

素因数の和:10220

約数の個数: 36

約数和(自身を含む): 55429920

約数和(自身を除く): 33869196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 236, 354, 531, 708, 1062, 2124, 10151, 20302, 30453, 40604, 60906, 91359, 121812, 182718, 365436, 598909, 1197818, 1796727, 2395636, 3593454, 5390181, 7186908, 10780362, 21560724]

約数ペア:

[(1, 21560724), (2, 10780362), (3, 7186908), (4, 5390181), (6, 3593454), (9, 2395636), (12, 1796727), (18, 1197818), (36, 598909), (59, 365436), (118, 182718), (177, 121812), (236, 91359), (354, 60906), (531, 40604), (708, 30453), (1062, 20302), (2124, 10151)]