20211886551

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{3120563}}^1$

素因数の和:3120710

約数の個数: 16

約数和(自身を含む): 28759117824

約数和(自身を除く): 8547231273

約数列:

[1, 3, 17, 51, 127, 381, 2159, 6477, 3120563, 9361689, 53049571, 159148713, 396311501, 1188934503, 6737295517, 20211886551]

約数ペア:

[(1, 20211886551), (3, 6737295517), (17, 1188934503), (51, 396311501), (127, 159148713), (381, 53049571), (2159, 9361689), (6477, 3120563)]