21079839

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{22027}}^1$

素因数の和:22070

約数の個数: 16

約数和(自身を含む): 31720320

約数和(自身を除く): 10640481

約数列:

[1, 3, 11, 29, 33, 87, 319, 957, 22027, 66081, 242297, 638783, 726891, 1916349, 7026613, 21079839]

約数ペア:

[(1, 21079839), (3, 7026613), (11, 1916349), (29, 726891), (33, 638783), (87, 242297), (319, 66081), (957, 22027)]