21552243

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{3877}}^1$

素因数の和:4006

約数の個数: 16

約数和(自身を含む): 30713760

約数和(自身を除く): 9161517

約数列:

[1, 3, 17, 51, 109, 327, 1853, 3877, 5559, 11631, 65909, 197727, 422593, 1267779, 7184081, 21552243]

約数ペア:

[(1, 21552243), (3, 7184081), (17, 1267779), (51, 422593), (109, 197727), (327, 65909), (1853, 11631), (3877, 5559)]