21180903453

素因数分解:

$3^2\times {\mathrm{239}}^1\times {\mathrm{9847003}}^1$

素因数の和:9847248

約数の個数: 12

約数和(自身を含む): 30722652480

約数和(自身を除く): 9541749027

約数列:

[1, 3, 9, 239, 717, 2151, 9847003, 29541009, 88623027, 2353433717, 7060301151, 21180903453]

約数ペア:

[(1, 21180903453), (3, 7060301151), (9, 2353433717), (239, 88623027), (717, 29541009), (2151, 9847003)]