21893339

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{587}}^1$

素因数の和:770

約数の個数: 16

約数和(自身を含む): 25025280

約数和(自身を除く): 3131941

約数列:

[1, 13, 19, 151, 247, 587, 1963, 2869, 7631, 11153, 37297, 88637, 144989, 1152281, 1684103, 21893339]

約数ペア:

[(1, 21893339), (13, 1684103), (19, 1152281), (151, 144989), (247, 88637), (587, 37297), (1963, 11153), (2869, 7631)]