21101647

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{5471}}^1$

素因数の和:5526

約数の個数: 16

約数和(自身を含む): 26265600

約数和(自身を除く): 5163953

約数列:

[1, 7, 19, 29, 133, 203, 551, 3857, 5471, 38297, 103949, 158659, 727643, 1110613, 3014521, 21101647]

約数ペア:

[(1, 21101647), (7, 3014521), (19, 1110613), (29, 727643), (133, 158659), (203, 103949), (551, 38297), (3857, 5471)]