21331242

素因数分解:

$2^1\times 3^3\times {\mathrm{395023}}^1$

素因数の和:395034

約数の個数: 16

約数和(自身を含む): 47402880

約数和(自身を除く): 26071638

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 395023, 790046, 1185069, 2370138, 3555207, 7110414, 10665621, 21331242]

約数ペア:

[(1, 21331242), (2, 10665621), (3, 7110414), (6, 3555207), (9, 2370138), (18, 1185069), (27, 790046), (54, 395023)]