21337701

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1301}}^1$

素因数の和:1393

約数の個数: 32

約数和(自身を含む): 35997696

約数和(自身を除く): 14659995

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1301, 1491, 2343, 3903, 5467, 9107, 14311, 16401, 27321, 42933, 92371, 100177, 277113, 300531, 646597, 1016081, 1939791, 3048243, 7112567, 21337701]

約数ペア:

[(1, 21337701), (3, 7112567), (7, 3048243), (11, 1939791), (21, 1016081), (33, 646597), (71, 300531), (77, 277113), (213, 100177), (231, 92371), (497, 42933), (781, 27321), (1301, 16401), (1491, 14311), (2343, 9107), (3903, 5467)]