21000751197

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{9818023}}^1$

素因数の和:9818080

約数の個数: 16

約数和(自身を含む): 30160969728

約数和(自身を除く): 9160218531

約数列:

[1, 3, 23, 31, 69, 93, 713, 2139, 9818023, 29454069, 225814529, 304358713, 677443587, 913076139, 7000250399, 21000751197]

約数ペア:

[(1, 21000751197), (3, 7000250399), (23, 913076139), (31, 677443587), (69, 304358713), (93, 225814529), (713, 29454069), (2139, 9818023)]