21908026

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{82361}}^1$

素因数の和:82389

約数の個数: 16

約数和(自身を含む): 39533760

約数和(自身を除く): 17625734

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 82361, 164722, 576527, 1153054, 1564859, 3129718, 10954013, 21908026]

約数ペア:

[(1, 21908026), (2, 10954013), (7, 3129718), (14, 1564859), (19, 1153054), (38, 576527), (133, 164722), (266, 82361)]