21608667

素因数分解:

$3^3\times {\mathrm{421}}^1\times {\mathrm{1901}}^1$

素因数の和:2331

約数の個数: 16

約数和(自身を含む): 32105760

約数和(自身を除く): 10497093

約数列:

[1, 3, 9, 27, 421, 1263, 1901, 3789, 5703, 11367, 17109, 51327, 800321, 2400963, 7202889, 21608667]

約数ペア:

[(1, 21608667), (3, 7202889), (9, 2400963), (27, 800321), (421, 51327), (1263, 17109), (1901, 11367), (3789, 5703)]