21476719

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:446

約数の個数: 16

約数和(自身を含む): 24074496

約数和(自身を除く): 2597777

約数列:

[1, 11, 71, 107, 257, 781, 1177, 2827, 7597, 18247, 27499, 83567, 200717, 302489, 1952429, 21476719]

約数ペア:

[(1, 21476719), (11, 1952429), (71, 302489), (107, 200717), (257, 83567), (781, 27499), (1177, 18247), (2827, 7597)]