21073394

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{1571}}^1$

素因数の和:1945

約数の個数: 16

約数和(自身を含む): 33389280

約数和(自身を除く): 12315886

約数列:

[1, 2, 19, 38, 353, 706, 1571, 3142, 6707, 13414, 29849, 59698, 554563, 1109126, 10536697, 21073394]

約数ペア:

[(1, 21073394), (2, 10536697), (19, 1109126), (38, 554563), (353, 59698), (706, 29849), (1571, 13414), (3142, 6707)]