21089946

素因数分解:

$2^1\times 3^1\times {\mathrm{419}}^1\times {\mathrm{8389}}^1$

素因数の和:8813

約数の個数: 16

約数和(自身を含む): 42285600

約数和(自身を除く): 21195654

約数列:

[1, 2, 3, 6, 419, 838, 1257, 2514, 8389, 16778, 25167, 50334, 3514991, 7029982, 10544973, 21089946]

約数ペア:

[(1, 21089946), (2, 10544973), (3, 7029982), (6, 3514991), (419, 50334), (838, 25167), (1257, 16778), (2514, 8389)]