21077883081

素因数分解:

$3^2\times {\mathrm{9839}}^1\times {\mathrm{238031}}^1$

素因数の和:247876

約数の個数: 12

約数和(自身を含む): 30449053440

約数和(自身を除く): 9371170359

約数列:

[1, 3, 9, 9839, 29517, 88551, 238031, 714093, 2142279, 2341987009, 7025961027, 21077883081]

約数ペア:

[(1, 21077883081), (3, 7025961027), (9, 2341987009), (9839, 2142279), (29517, 714093), (88551, 238031)]