21053678

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{2663}}^1$

素因数の和:2791

約数の個数: 16

約数和(自身を含む): 32607360

約数和(自身を除く): 11553682

約数列:

[1, 2, 59, 67, 118, 134, 2663, 3953, 5326, 7906, 157117, 178421, 314234, 356842, 10526839, 21053678]

約数ペア:

[(1, 21053678), (2, 10526839), (59, 356842), (67, 314234), (118, 178421), (134, 157117), (2663, 7906), (3953, 5326)]