21097901

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 24520320

約数和(自身を除く): 3422419

約数列:

[1, 11, 17, 187, 257, 439, 2827, 4369, 4829, 7463, 48059, 82093, 112823, 1241053, 1917991, 21097901]

約数ペア:

[(1, 21097901), (11, 1917991), (17, 1241053), (187, 112823), (257, 82093), (439, 48059), (2827, 7463), (4369, 4829)]