21163093

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3881}}^1$

素因数の和:3948

約数の個数: 16

約数和(自身を含む): 26087040

約数和(自身を除く): 4923947

約数列:

[1, 7, 19, 41, 133, 287, 779, 3881, 5453, 27167, 73739, 159121, 516173, 1113847, 3023299, 21163093]

約数ペア:

[(1, 21163093), (7, 3023299), (19, 1113847), (41, 516173), (133, 159121), (287, 73739), (779, 27167), (3881, 5453)]