21247534

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{491}}^1$

素因数の和:792

約数の個数: 32

約数和(自身を含む): 39958272

約数和(自身を除く): 18710738

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 281, 491, 562, 982, 1967, 3091, 3437, 3934, 5401, 6182, 6874, 10802, 21637, 37807, 43274, 75614, 137971, 275942, 965797, 1517681, 1931594, 3035362, 10623767, 21247534]

約数ペア:

[(1, 21247534), (2, 10623767), (7, 3035362), (11, 1931594), (14, 1517681), (22, 965797), (77, 275942), (154, 137971), (281, 75614), (491, 43274), (562, 37807), (982, 21637), (1967, 10802), (3091, 6874), (3437, 6182), (3934, 5401)]