21593121

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{797}}^1\times {\mathrm{821}}^1$

素因数の和:1632

約数の個数: 16

約数和(自身を含む): 31485888

約数和(自身を除く): 9892767

約数列:

[1, 3, 11, 33, 797, 821, 2391, 2463, 8767, 9031, 26301, 27093, 654337, 1963011, 7197707, 21593121]

約数ペア:

[(1, 21593121), (3, 7197707), (11, 1963011), (33, 654337), (797, 27093), (821, 26301), (2391, 9031), (2463, 8767)]