21074002

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{839}}^1$

素因数の和:1521

約数の個数: 16

約数和(自身を含む): 33364800

約数和(自身を除く): 12290798

約数列:

[1, 2, 19, 38, 661, 839, 1322, 1678, 12559, 15941, 25118, 31882, 554579, 1109158, 10537001, 21074002]

約数ペア:

[(1, 21074002), (2, 10537001), (19, 1109158), (38, 554579), (661, 31882), (839, 25118), (1322, 15941), (1678, 12559)]