21283551

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{57679}}^1$

素因数の和:57726

約数の個数: 12

約数和(自身を含む): 31493280

約数和(自身を除く): 10209729

約数列:

[1, 3, 9, 41, 123, 369, 57679, 173037, 519111, 2364839, 7094517, 21283551]

約数ペア:

[(1, 21283551), (3, 7094517), (9, 2364839), (41, 519111), (123, 173037), (369, 57679)]