21068049

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{941}}^1$

素因数の和:1400

約数の個数: 16

約数和(自身を含む): 29842560

約数和(自身を除く): 8774511

約数列:

[1, 3, 17, 51, 439, 941, 1317, 2823, 7463, 15997, 22389, 47991, 413099, 1239297, 7022683, 21068049]

約数ペア:

[(1, 21068049), (3, 7022683), (17, 1239297), (51, 413099), (439, 47991), (941, 22389), (1317, 15997), (2823, 7463)]