21541902

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{27407}}^1$

素因数の和:27543

約数の個数: 16

約数和(自身を含む): 43414272

約数和(自身を除く): 21872370

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 27407, 54814, 82221, 164442, 3590317, 7180634, 10770951, 21541902]

約数ペア:

[(1, 21541902), (2, 10770951), (3, 7180634), (6, 3590317), (131, 164442), (262, 82221), (393, 54814), (786, 27407)]