21254948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37159}}^1$

素因数の和:37187

約数の個数: 24

約数和(自身を含む): 43700160

約数和(自身を除く): 22445212

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37159, 74318, 148636, 408749, 483067, 817498, 966134, 1634996, 1932268, 5313737, 10627474, 21254948]

約数ペア:

[(1, 21254948), (2, 10627474), (4, 5313737), (11, 1932268), (13, 1634996), (22, 966134), (26, 817498), (44, 483067), (52, 408749), (143, 148636), (286, 74318), (572, 37159)]