21852207

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{4789}}^1$

素因数の和:4824

約数の個数: 24

約数和(自身を含む): 35062800

約数和(自身を除く): 13210593

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 4789, 14367, 43101, 62257, 129303, 186771, 560313, 809341, 1680939, 2428023, 7284069, 21852207]

約数ペア:

[(1, 21852207), (3, 7284069), (9, 2428023), (13, 1680939), (27, 809341), (39, 560313), (117, 186771), (169, 129303), (351, 62257), (507, 43101), (1521, 14367), (4563, 4789)]