21233286

素因数分解:

$2^1\times 3^3\times {\mathrm{393209}}^1$

素因数の和:393220

約数の個数: 16

約数和(自身を含む): 47185200

約数和(自身を除く): 25951914

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 393209, 786418, 1179627, 2359254, 3538881, 7077762, 10616643, 21233286]

約数ペア:

[(1, 21233286), (2, 10616643), (3, 7077762), (6, 3538881), (9, 2359254), (18, 1179627), (27, 786418), (54, 393209)]