21303842

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{66161}}^1$

素因数の和:66193

約数の個数: 16

約数和(自身を含む): 38109312

約数和(自身を除く): 16805470

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 66161, 132322, 463127, 926254, 1521703, 3043406, 10651921, 21303842]

約数ペア:

[(1, 21303842), (2, 10651921), (7, 3043406), (14, 1521703), (23, 926254), (46, 463127), (161, 132322), (322, 66161)]