21131036361

素因数分解:

$3^2\times {\mathrm{617}}^1\times {\mathrm{691}}^1\times {\mathrm{5507}}^1$

素因数の和:6821

約数の個数: 24

約数和(自身を含む): 30621880224

約数和(自身を除く): 9490843863

約数列:

[1, 3, 9, 617, 691, 1851, 2073, 5507, 5553, 6219, 16521, 49563, 426347, 1279041, 3397819, 3805337, 3837123, 10193457, 11416011, 30580371, 34248033, 2347892929, 7043678787, 21131036361]

約数ペア:

[(1, 21131036361), (3, 7043678787), (9, 2347892929), (617, 34248033), (691, 30580371), (1851, 11416011), (2073, 10193457), (5507, 3837123), (5553, 3805337), (6219, 3397819), (16521, 1279041), (49563, 426347)]