21821921

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{27941}}^1$

素因数の和:28023

約数の個数: 8

約数和(自身を含む): 24141888

約数和(自身を除く): 2319967

約数列:

[1, 11, 71, 781, 27941, 307351, 1983811, 21821921]

約数ペア:

[(1, 21821921), (11, 1983811), (71, 307351), (781, 27941)]