21269204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21017}}^1$

素因数の和:21055

約数の個数: 24

約数和(自身を含む): 42372288

約数和(自身を除く): 21103084

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 21017, 42034, 84068, 231187, 462374, 483391, 924748, 966782, 1933564, 5317301, 10634602, 21269204]

約数ペア:

[(1, 21269204), (2, 10634602), (4, 5317301), (11, 1933564), (22, 966782), (23, 924748), (44, 483391), (46, 462374), (92, 231187), (253, 84068), (506, 42034), (1012, 21017)]