21171722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{74027}}^1$

素因数の和:74053

約数の個数: 16

約数和(自身を含む): 37310112

約数和(自身を除く): 16138390

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 74027, 148054, 814297, 962351, 1628594, 1924702, 10585861, 21171722]

約数ペア:

[(1, 21171722), (2, 10585861), (11, 1924702), (13, 1628594), (22, 962351), (26, 814297), (143, 148054), (286, 74027)]