21340924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{485021}}^1$

素因数の和:485036

約数の個数: 12

約数和(自身を含む): 40741848

約数和(自身を除く): 19400924

約数列:

[1, 2, 4, 11, 22, 44, 485021, 970042, 1940084, 5335231, 10670462, 21340924]

約数ペア:

[(1, 21340924), (2, 10670462), (4, 5335231), (11, 1940084), (22, 970042), (44, 485021)]