21645054

素因数分解:

$2^1\times 3^2\times {\mathrm{257}}^1\times {\mathrm{4679}}^1$

素因数の和:4944

約数の個数: 24

約数和(自身を含む): 47090160

約数和(自身を除く): 25445106

約数列:

[1, 2, 3, 6, 9, 18, 257, 514, 771, 1542, 2313, 4626, 4679, 9358, 14037, 28074, 42111, 84222, 1202503, 2405006, 3607509, 7215018, 10822527, 21645054]

約数ペア:

[(1, 21645054), (2, 10822527), (3, 7215018), (6, 3607509), (9, 2405006), (18, 1202503), (257, 84222), (514, 42111), (771, 28074), (1542, 14037), (2313, 9358), (4626, 4679)]