21897558140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{57625153}}^1$

素因数の和:57625181

約数の個数: 24

約数和(自身を含む): 48405129360

約数和(自身を除く): 26507571220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 57625153, 115250306, 230500612, 288125765, 576251530, 1094877907, 1152503060, 2189755814, 4379511628, 5474389535, 10948779070, 21897558140]

約数ペア:

[(1, 21897558140), (2, 10948779070), (4, 5474389535), (5, 4379511628), (10, 2189755814), (19, 1152503060), (20, 1094877907), (38, 576251530), (76, 288125765), (95, 230500612), (190, 115250306), (380, 57625153)]