21951478

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{1531}}^1$

素因数の和:1707

約数の個数: 16

約数和(自身を含む): 33753024

約数和(自身を除く): 11801546

約数列:

[1, 2, 67, 107, 134, 214, 1531, 3062, 7169, 14338, 102577, 163817, 205154, 327634, 10975739, 21951478]

約数ペア:

[(1, 21951478), (2, 10975739), (67, 327634), (107, 205154), (134, 163817), (214, 102577), (1531, 14338), (3062, 7169)]