21994706

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{1301}}^1$

素因数の和:1489

約数の個数: 16

約数和(自身を含む): 33747840

約数和(自身を除く): 11753134

約数列:

[1, 2, 79, 107, 158, 214, 1301, 2602, 8453, 16906, 102779, 139207, 205558, 278414, 10997353, 21994706]

約数ペア:

[(1, 21994706), (2, 10997353), (79, 278414), (107, 205558), (158, 139207), (214, 102779), (1301, 16906), (2602, 8453)]