21452067

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8731}}^1$

素因数の和:8760

約数の個数: 32

約数和(自身を含む): 39119360

約数和(自身を除く): 17667293

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8731, 26193, 61117, 78579, 113503, 183351, 235737, 340509, 550053, 794521, 1021527, 1650159, 2383563, 3064581, 7150689, 21452067]

約数ペア:

[(1, 21452067), (3, 7150689), (7, 3064581), (9, 2383563), (13, 1650159), (21, 1021527), (27, 794521), (39, 550053), (63, 340509), (91, 235737), (117, 183351), (189, 113503), (273, 78579), (351, 61117), (819, 26193), (2457, 8731)]