21494847

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1013}}^1$

素因数の和:1670

約数の個数: 16

約数和(自身を含む): 31344768

約数和(自身を除く): 9849921

約数列:

[1, 3, 11, 33, 643, 1013, 1929, 3039, 7073, 11143, 21219, 33429, 651359, 1954077, 7164949, 21494847]

約数ペア:

[(1, 21494847), (3, 7164949), (11, 1954077), (33, 651359), (643, 33429), (1013, 21219), (1929, 11143), (3039, 7073)]