21110938

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17921}}^1$

素因数の和:17973

約数の個数: 16

約数和(自身を含む): 34410240

約数和(自身を除く): 13299302

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 17921, 35842, 340499, 555551, 680998, 1111102, 10555469, 21110938]

約数ペア:

[(1, 21110938), (2, 10555469), (19, 1111102), (31, 680998), (38, 555551), (62, 340499), (589, 35842), (1178, 17921)]