21626135

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:514

約数の個数: 16

約数和(自身を含む): 26449632

約数和(自身を除く): 4823497

約数列:

[1, 5, 131, 137, 241, 655, 685, 1205, 17947, 31571, 33017, 89735, 157855, 165085, 4325227, 21626135]

約数ペア:

[(1, 21626135), (5, 4325227), (131, 165085), (137, 157855), (241, 89735), (655, 33017), (685, 31571), (1205, 17947)]