21963524541

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2557169}}^1$

素因数の和:2557588

約数の個数: 16

約数和(自身を含む): 33550070400

約数和(自身を除く): 11586545859

約数列:

[1, 3, 7, 21, 409, 1227, 2863, 8589, 2557169, 7671507, 17900183, 53700549, 1045882121, 3137646363, 7321174847, 21963524541]

約数ペア:

[(1, 21963524541), (3, 7321174847), (7, 3137646363), (21, 1045882121), (409, 53700549), (1227, 17900183), (2863, 7671507), (8589, 2557169)]