21632481

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{61631}}^1$

素因数の和:61653

約数の個数: 16

約数和(自身を含む): 34513920

約数和(自身を除く): 12881439

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 61631, 184893, 554679, 801203, 1664037, 2403609, 7210827, 21632481]

約数ペア:

[(1, 21632481), (3, 7210827), (9, 2403609), (13, 1664037), (27, 801203), (39, 554679), (117, 184893), (351, 61631)]