16921145

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{373}}^1$

素因数の和:632

約数の個数: 16

約数和(自身を含む): 20932032

約数和(自身を除く): 4010887

約数列:

[1, 5, 43, 211, 215, 373, 1055, 1865, 9073, 16039, 45365, 78703, 80195, 393515, 3384229, 16921145]

約数ペア:

[(1, 16921145), (5, 3384229), (43, 393515), (211, 80195), (215, 78703), (373, 45365), (1055, 16039), (1865, 9073)]