21172768

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{9319}}^1$

素因数の和:9400

約数の個数: 24

約数和(自身を含む): 42275520

約数和(自身を除く): 21102752

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 9319, 18638, 37276, 74552, 149104, 298208, 661649, 1323298, 2646596, 5293192, 10586384, 21172768]

約数ペア:

[(1, 21172768), (2, 10586384), (4, 5293192), (8, 2646596), (16, 1323298), (32, 661649), (71, 298208), (142, 149104), (284, 74552), (568, 37276), (1136, 18638), (2272, 9319)]