22517721

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 33359040

約数和(自身を除く): 10841319

約数列:

[1, 3, 9, 71, 131, 213, 269, 393, 639, 807, 1179, 2421, 9301, 19099, 27903, 35239, 57297, 83709, 105717, 171891, 317151, 2501969, 7505907, 22517721]

約数ペア:

[(1, 22517721), (3, 7505907), (9, 2501969), (71, 317151), (131, 171891), (213, 105717), (269, 83709), (393, 57297), (639, 35239), (807, 27903), (1179, 19099), (2421, 9301)]