21331413

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1303}}^1$

素因数の和:1433

約数の個数: 24

約数和(自身を含む): 32954688

約数和(自身を除く): 11623275

約数列:

[1, 3, 9, 17, 51, 107, 153, 321, 963, 1303, 1819, 3909, 5457, 11727, 16371, 22151, 66453, 139421, 199359, 418263, 1254789, 2370157, 7110471, 21331413]

約数ペア:

[(1, 21331413), (3, 7110471), (9, 2370157), (17, 1254789), (51, 418263), (107, 199359), (153, 139421), (321, 66453), (963, 22151), (1303, 16371), (1819, 11727), (3909, 5457)]