21241893

素因数分解:

$3^1\times {\mathrm{127}}^2\times {\mathrm{439}}^1$

素因数の和:696

約数の個数: 12

約数和(自身を含む): 28612320

約数和(自身を除く): 7370427

約数列:

[1, 3, 127, 381, 439, 1317, 16129, 48387, 55753, 167259, 7080631, 21241893]

約数ペア:

[(1, 21241893), (3, 7080631), (127, 167259), (381, 55753), (439, 48387), (1317, 16129)]