21252834

素因数分解:

$2^1\times 3^3\times {\mathrm{393571}}^1$

素因数の和:393582

約数の個数: 16

約数和(自身を含む): 47228640

約数和(自身を除く): 25975806

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 393571, 787142, 1180713, 2361426, 3542139, 7084278, 10626417, 21252834]

約数ペア:

[(1, 21252834), (2, 10626417), (3, 7084278), (6, 3542139), (9, 2361426), (18, 1180713), (27, 787142), (54, 393571)]