2021145995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{27241}}^1$

素因数の和:27347

約数の個数: 32

約数和(自身を含む): 2824450560

約数和(自身を除く): 803304565

約数列:

[1, 5, 11, 19, 55, 71, 95, 209, 355, 781, 1045, 1349, 3905, 6745, 14839, 27241, 74195, 136205, 299651, 517579, 1498255, 1934111, 2587895, 5693369, 9670555, 21275221, 28466845, 36748109, 106376105, 183740545, 404229199, 2021145995]

約数ペア:

[(1, 2021145995), (5, 404229199), (11, 183740545), (19, 106376105), (55, 36748109), (71, 28466845), (95, 21275221), (209, 9670555), (355, 5693369), (781, 2587895), (1045, 1934111), (1349, 1498255), (3905, 517579), (6745, 299651), (14839, 136205), (27241, 74195)]