21911799

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{80263}}^1$

素因数の和:80286

約数の個数: 16

約数和(自身を含む): 35958272

約数和(自身を除く): 14046473

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 80263, 240789, 561841, 1043419, 1685523, 3130257, 7303933, 21911799]

約数ペア:

[(1, 21911799), (3, 7303933), (7, 3130257), (13, 1685523), (21, 1043419), (39, 561841), (91, 240789), (273, 80263)]