21243717

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3637}}^1$

素因数の和:3713

約数の個数: 24

約数和(自身を含む): 34051680

約数和(自身を除く): 12807963

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 531, 649, 1947, 3637, 5841, 10911, 32733, 40007, 120021, 214583, 360063, 643749, 1931247, 2360413, 7081239, 21243717]

約数ペア:

[(1, 21243717), (3, 7081239), (9, 2360413), (11, 1931247), (33, 643749), (59, 360063), (99, 214583), (177, 120021), (531, 40007), (649, 32733), (1947, 10911), (3637, 5841)]