21904366

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{3181}}^1$

素因数の和:3507

約数の個数: 16

約数和(自身を含む): 35969328

約数和(自身を除く): 14064962

約数列:

[1, 2, 11, 22, 313, 626, 3181, 3443, 6362, 6886, 34991, 69982, 995653, 1991306, 10952183, 21904366]

約数ペア:

[(1, 21904366), (2, 10952183), (11, 1991306), (22, 995653), (313, 69982), (626, 34991), (3181, 6886), (3443, 6362)]