21059946

素因数分解:

$2^1\times 3^3\times {\mathrm{389999}}^1$

素因数の和:390010

約数の個数: 16

約数和(自身を含む): 46800000

約数和(自身を除く): 25740054

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 389999, 779998, 1169997, 2339994, 3509991, 7019982, 10529973, 21059946]

約数ペア:

[(1, 21059946), (2, 10529973), (3, 7019982), (6, 3509991), (9, 2339994), (18, 1169997), (27, 779998), (54, 389999)]