21836689

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{829}}^1$

素因数の和:960

約数の個数: 16

約数和(自身を含む): 25816320

約数和(自身を除く): 3979631

約数列:

[1, 7, 53, 71, 371, 497, 829, 3763, 5803, 26341, 43937, 58859, 307559, 412013, 3119527, 21836689]

約数ペア:

[(1, 21836689), (7, 3119527), (53, 412013), (71, 307559), (371, 58859), (497, 43937), (829, 26341), (3763, 5803)]