21879078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{21577}}^1$

素因数の和:21608

約数の個数: 24

約数和(自身を含む): 47385288

約数和(自身を除く): 25506210

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 21577, 43154, 64731, 129462, 280501, 561002, 841503, 1683006, 3646513, 7293026, 10939539, 21879078]

約数ペア:

[(1, 21879078), (2, 10939539), (3, 7293026), (6, 3646513), (13, 1683006), (26, 841503), (39, 561002), (78, 280501), (169, 129462), (338, 64731), (507, 43154), (1014, 21577)]