21497417

素因数分解:

${\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:356

約数の個数: 16

約数和(自身を含む): 23347200

約数和(自身を除く): 1849783

約数列:

[1, 19, 59, 127, 151, 1121, 2413, 2869, 7493, 8909, 19177, 142367, 169271, 364363, 1131443, 21497417]

約数ペア:

[(1, 21497417), (19, 1131443), (59, 364363), (127, 169271), (151, 142367), (1121, 19177), (2413, 8909), (2869, 7493)]