21569382

素因数分解:

$2^1\times 3^3\times {\mathrm{399433}}^1$

素因数の和:399444

約数の個数: 16

約数和(自身を含む): 47932080

約数和(自身を除く): 26362698

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 399433, 798866, 1198299, 2396598, 3594897, 7189794, 10784691, 21569382]

約数ペア:

[(1, 21569382), (2, 10784691), (3, 7189794), (6, 3594897), (9, 2396598), (18, 1198299), (27, 798866), (54, 399433)]