21453806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{10957}}^1$

素因数の和:11059

約数の個数: 16

約数和(自身を含む): 35503920

約数和(自身を除く): 14050114

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 10957, 21914, 120527, 241054, 975173, 1950346, 10726903, 21453806]

約数ペア:

[(1, 21453806), (2, 10726903), (11, 1950346), (22, 975173), (89, 241054), (178, 120527), (979, 21914), (1958, 10957)]