21341276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{485029}}^1$

素因数の和:485044

約数の個数: 12

約数和(自身を含む): 40742520

約数和(自身を除く): 19401244

約数列:

[1, 2, 4, 11, 22, 44, 485029, 970058, 1940116, 5335319, 10670638, 21341276]

約数ペア:

[(1, 21341276), (2, 10670638), (4, 5335319), (11, 1940116), (22, 970058), (44, 485029)]