21616177

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{307}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 24437952

約数和(自身を除く): 2821775

約数列:

[1, 11, 37, 173, 307, 407, 1903, 3377, 6401, 11359, 53111, 70411, 124949, 584221, 1965107, 21616177]

約数ペア:

[(1, 21616177), (11, 1965107), (37, 584221), (173, 124949), (307, 70411), (407, 53111), (1903, 11359), (3377, 6401)]