21166209

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3019}}^1$

素因数の和:3085

約数の個数: 24

約数和(自身を含む): 32978400

約数和(自身を除く): 11812191

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 2337, 3019, 7011, 9057, 27171, 57361, 123779, 172083, 371337, 516249, 1114011, 2351801, 7055403, 21166209]

約数ペア:

[(1, 21166209), (3, 7055403), (9, 2351801), (19, 1114011), (41, 516249), (57, 371337), (123, 172083), (171, 123779), (369, 57361), (779, 27171), (2337, 9057), (3019, 7011)]