21037551

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{10061}}^1$

素因数の和:10122

約数の個数: 16

約数和(自身を含む): 30427488

約数和(自身を除く): 9389937

約数列:

[1, 3, 17, 41, 51, 123, 697, 2091, 10061, 30183, 171037, 412501, 513111, 1237503, 7012517, 21037551]

約数ペア:

[(1, 21037551), (3, 7012517), (17, 1237503), (41, 513111), (51, 412501), (123, 171037), (697, 30183), (2091, 10061)]