21318946

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{4919}}^1$

素因数の和:5129

約数の個数: 16

約数和(自身を含む): 35069760

約数和(自身を除く): 13750814

約数列:

[1, 2, 11, 22, 197, 394, 2167, 4334, 4919, 9838, 54109, 108218, 969043, 1938086, 10659473, 21318946]

約数ペア:

[(1, 21318946), (2, 10659473), (11, 1938086), (22, 969043), (197, 108218), (394, 54109), (2167, 9838), (4334, 4919)]