21131225566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{5779}}^1\times {\mathrm{166207}}^1$

素因数の和:171999

約数の個数: 16

約数和(自身を含む): 34584560640

約数和(自身を除く): 13453335074

約数列:

[1, 2, 11, 22, 5779, 11558, 63569, 127138, 166207, 332414, 1828277, 3656554, 960510253, 1921020506, 10565612783, 21131225566]

約数ペア:

[(1, 21131225566), (2, 10565612783), (11, 1921020506), (22, 960510253), (5779, 3656554), (11558, 1828277), (63569, 332414), (127138, 166207)]