21995546

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{619}}^1$

素因数の和:893

約数の個数: 16

約数和(自身を含む): 33554400

約数和(自身を除く): 11558854

約数列:

[1, 2, 109, 163, 218, 326, 619, 1238, 17767, 35534, 67471, 100897, 134942, 201794, 10997773, 21995546]

約数ペア:

[(1, 21995546), (2, 10997773), (109, 201794), (163, 134942), (218, 100897), (326, 67471), (619, 35534), (1238, 17767)]