21902751

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{62401}}^1$

素因数の和:62423

約数の個数: 16

約数和(自身を含む): 34945120

約数和(自身を除く): 13042369

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 62401, 187203, 561609, 811213, 1684827, 2433639, 7300917, 21902751]

約数ペア:

[(1, 21902751), (3, 7300917), (9, 2433639), (13, 1684827), (27, 811213), (39, 561609), (117, 187203), (351, 62401)]