21222297

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1009}}^1$

素因数の和:1078

約数の個数: 32

約数和(自身を含む): 33936000

約数和(自身を除く): 12713703

約数列:

[1, 3, 9, 19, 27, 41, 57, 123, 171, 369, 513, 779, 1009, 1107, 2337, 3027, 7011, 9081, 19171, 21033, 27243, 41369, 57513, 124107, 172539, 372321, 517617, 786011, 1116963, 2358033, 7074099, 21222297]

約数ペア:

[(1, 21222297), (3, 7074099), (9, 2358033), (19, 1116963), (27, 786011), (41, 517617), (57, 372321), (123, 172539), (171, 124107), (369, 57513), (513, 41369), (779, 27243), (1009, 21033), (1107, 19171), (2337, 9081), (3027, 7011)]