21615147

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{34807}}^1$

素因数の和:34839

約数の個数: 16

約数和(自身を含む): 33415680

約数和(自身を除く): 11800533

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 34807, 104421, 313263, 800561, 939789, 2401683, 7205049, 21615147]

約数ペア:

[(1, 21615147), (3, 7205049), (9, 2401683), (23, 939789), (27, 800561), (69, 313263), (207, 104421), (621, 34807)]