21213441

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{19163}}^1$

素因数の和:19213

約数の個数: 16

約数和(自身を含む): 32195520

約数和(自身を除く): 10982079

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 19163, 57489, 172467, 517401, 785683, 2357049, 7071147, 21213441]

約数ペア:

[(1, 21213441), (3, 7071147), (9, 2357049), (27, 785683), (41, 517401), (123, 172467), (369, 57489), (1107, 19163)]