21896684

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{77101}}^1$

素因数の和:77176

約数の個数: 12

約数和(自身を含む): 38859408

約数和(自身を除く): 16962724

約数列:

[1, 2, 4, 71, 142, 284, 77101, 154202, 308404, 5474171, 10948342, 21896684]

約数ペア:

[(1, 21896684), (2, 10948342), (4, 5474171), (71, 308404), (142, 154202), (284, 77101)]