21906742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{76597}}^1$

素因数の和:76623

約数の個数: 16

約数和(自身を含む): 38605392

約数和(自身を除く): 16698650

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 76597, 153194, 842567, 995761, 1685134, 1991522, 10953371, 21906742]

約数ペア:

[(1, 21906742), (2, 10953371), (11, 1991522), (13, 1685134), (22, 995761), (26, 842567), (143, 153194), (286, 76597)]