20212797

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{21121}}^1$

素因数の和:21164

約数の個数: 16

約数和(自身を含む): 30415680

約数和(自身を除く): 10202883

約数列:

[1, 3, 11, 29, 33, 87, 319, 957, 21121, 63363, 232331, 612509, 696993, 1837527, 6737599, 20212797]

約数ペア:

[(1, 20212797), (3, 6737599), (11, 1837527), (29, 696993), (33, 612509), (87, 232331), (319, 63363), (957, 21121)]