21765447

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2017}}^1$

素因数の和:2143

約数の個数: 24

約数和(自身を含む): 34628880

約数和(自身を除く): 12863433

約数列:

[1, 3, 9, 11, 33, 99, 109, 327, 981, 1199, 2017, 3597, 6051, 10791, 18153, 22187, 66561, 199683, 219853, 659559, 1978677, 2418383, 7255149, 21765447]

約数ペア:

[(1, 21765447), (3, 7255149), (9, 2418383), (11, 1978677), (33, 659559), (99, 219853), (109, 199683), (327, 66561), (981, 22187), (1199, 18153), (2017, 10791), (3597, 6051)]