21293163

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4799}}^1$

素因数の和:4851

約数の個数: 24

約数和(自身を含む): 33696000

約数和(自身を除く): 12402837

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 4799, 14397, 43191, 81583, 139171, 244749, 417513, 734247, 1252539, 2365907, 7097721, 21293163]

約数ペア:

[(1, 21293163), (3, 7097721), (9, 2365907), (17, 1252539), (29, 734247), (51, 417513), (87, 244749), (153, 139171), (261, 81583), (493, 43191), (1479, 14397), (4437, 4799)]