21225886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{31123}}^1$

素因数の和:31167

約数の個数: 16

約数和(自身を含む): 35854848

約数和(自身を除く): 14628962

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 31123, 62246, 342353, 684706, 964813, 1929626, 10612943, 21225886]

約数ペア:

[(1, 21225886), (2, 10612943), (11, 1929626), (22, 964813), (31, 684706), (62, 342353), (341, 62246), (682, 31123)]