21294394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{613}}^1\times {\mathrm{1579}}^1$

素因数の和:2205

約数の個数: 16

約数和(自身を含む): 34924320

約数和(自身を除く): 13629926

約数列:

[1, 2, 11, 22, 613, 1226, 1579, 3158, 6743, 13486, 17369, 34738, 967927, 1935854, 10647197, 21294394]

約数ペア:

[(1, 21294394), (2, 10647197), (11, 1935854), (22, 967927), (613, 34738), (1226, 17369), (1579, 13486), (3158, 6743)]