21961719

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{4813}}^1$

素因数の和:4848

約数の個数: 24

約数和(自身を含む): 35238480

約数和(自身を除く): 13276761

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 4813, 14439, 43317, 62569, 129951, 187707, 563121, 813397, 1689363, 2440191, 7320573, 21961719]

約数ペア:

[(1, 21961719), (3, 7320573), (9, 2440191), (13, 1689363), (27, 813397), (39, 563121), (117, 187707), (169, 129951), (351, 62569), (507, 43317), (1521, 14439), (4563, 4813)]