21000737069

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{240859}}^1$

素因数の和:241244

約数の個数: 16

約数和(自身を含む): 23874043200

約数和(自身を除く): 2873306131

約数列:

[1, 13, 19, 247, 353, 4589, 6707, 87191, 240859, 3131167, 4576321, 59492173, 85023227, 1105301951, 1615441313, 21000737069]

約数ペア:

[(1, 21000737069), (13, 1615441313), (19, 1105301951), (247, 85023227), (353, 59492173), (4589, 4576321), (6707, 3131167), (87191, 240859)]