21919274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{44371}}^1$

素因数の和:44405

約数の個数: 16

約数和(自身を含む): 37272480

約数和(自身を除く): 15353206

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 44371, 88742, 576823, 843049, 1153646, 1686098, 10959637, 21919274]

約数ペア:

[(1, 21919274), (2, 10959637), (13, 1686098), (19, 1153646), (26, 843049), (38, 576823), (247, 88742), (494, 44371)]