21228149

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1567}}^1$

素因数の和:1640

約数の個数: 16

約数和(自身を含む): 24084480

約数和(自身を除く): 2856331

約数列:

[1, 19, 23, 31, 437, 589, 713, 1567, 13547, 29773, 36041, 48577, 684779, 922963, 1117271, 21228149]

約数ペア:

[(1, 21228149), (19, 1117271), (23, 922963), (31, 684779), (437, 48577), (589, 36041), (713, 29773), (1567, 13547)]