21491882135

素因数分解:

$5^1\times {\mathrm{167}}^1\times {\mathrm{1109}}^1\times {\mathrm{23209}}^1$

素因数の和:24490

約数の個数: 16

約数和(自身を含む): 25969204800

約数和(自身を除く): 4477322665

約数列:

[1, 5, 167, 835, 1109, 5545, 23209, 116045, 185203, 926015, 3875903, 19379515, 25738781, 128693905, 4298376427, 21491882135]

約数ペア:

[(1, 21491882135), (5, 4298376427), (167, 128693905), (835, 25738781), (1109, 19379515), (5545, 3875903), (23209, 926015), (116045, 185203)]