21140151

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{2029}}^1$

素因数の和:2206

約数の個数: 16

約数和(自身を含む): 29621760

約数和(自身を除く): 8481609

約数列:

[1, 3, 23, 69, 151, 453, 2029, 3473, 6087, 10419, 46667, 140001, 306379, 919137, 7046717, 21140151]

約数ペア:

[(1, 21140151), (3, 7046717), (23, 919137), (69, 306379), (151, 140001), (453, 46667), (2029, 10419), (3473, 6087)]