21226047

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9679}}^1$

素因数の和:9742

約数の個数: 16

約数和(自身を含む): 30666240

約数和(自身を除く): 9440193

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9679, 29037, 164543, 416197, 493629, 1248591, 7075349, 21226047]

約数ペア:

[(1, 21226047), (3, 7075349), (17, 1248591), (43, 493629), (51, 416197), (129, 164543), (731, 29037), (2193, 9679)]