21373154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{2213}}^1$

素因数の和:2665

約数の個数: 16

約数和(自身を含む): 35069760

約数和(自身を除く): 13696606

約数列:

[1, 2, 11, 22, 439, 878, 2213, 4426, 4829, 9658, 24343, 48686, 971507, 1943014, 10686577, 21373154]

約数ペア:

[(1, 21373154), (2, 10686577), (11, 1943014), (22, 971507), (439, 48686), (878, 24343), (2213, 9658), (4426, 4829)]