21891826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{9661}}^1$

素因数の和:9777

約数の個数: 16

約数和(自身を含む): 36174528

約数和(自身を除く): 14282702

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 9661, 19322, 106271, 212542, 995083, 1990166, 10945913, 21891826]

約数ペア:

[(1, 21891826), (2, 10945913), (11, 1990166), (22, 995083), (103, 212542), (206, 106271), (1133, 19322), (2266, 9661)]