21237647526

素因数分解:

$2^1\times 3^3\times {\mathrm{393289769}}^1$

素因数の和:393289780

約数の個数: 16

約数和(自身を含む): 47194772400

約数和(自身を除く): 25957124874

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 393289769, 786579538, 1179869307, 2359738614, 3539607921, 7079215842, 10618823763, 21237647526]

約数ペア:

[(1, 21237647526), (2, 10618823763), (3, 7079215842), (6, 3539607921), (9, 2359738614), (18, 1179869307), (27, 786579538), (54, 393289769)]