21886871

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:518

約数の個数: 16

約数和(自身を含む): 24076800

約数和(自身を除く): 2189929

約数列:

[1, 17, 43, 79, 379, 731, 1343, 3397, 6443, 16297, 29941, 57749, 277049, 508997, 1287463, 21886871]

約数ペア:

[(1, 21886871), (17, 1287463), (43, 508997), (79, 277049), (379, 57749), (731, 29941), (1343, 16297), (3397, 6443)]