21609177

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1319}}^1$

素因数の和:1492

約数の個数: 16

約数和(自身を含む): 29736960

約数和(自身を除く): 8127783

約数列:

[1, 3, 43, 127, 129, 381, 1319, 3957, 5461, 16383, 56717, 167513, 170151, 502539, 7203059, 21609177]

約数ペア:

[(1, 21609177), (3, 7203059), (43, 502539), (127, 170151), (129, 167513), (381, 56717), (1319, 16383), (3957, 5461)]