21605727

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{50363}}^1$

素因数の和:50390

約数の個数: 16

約数和(自身を含む): 33844608

約数和(自身を除く): 12238881

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 50363, 151089, 553993, 654719, 1661979, 1964157, 7201909, 21605727]

約数ペア:

[(1, 21605727), (3, 7201909), (11, 1964157), (13, 1661979), (33, 654719), (39, 553993), (143, 151089), (429, 50363)]