21139967924

素因数分解:

$2^2\times {\mathrm{227}}^1\times {\mathrm{1231}}^1\times {\mathrm{18913}}^1$

素因数の和:20375

約数の個数: 24

約数和(自身を含む): 37190068608

約数和(自身を除く): 16050100684

約数列:

[1, 2, 4, 227, 454, 908, 1231, 2462, 4924, 18913, 37826, 75652, 279437, 558874, 1117748, 4293251, 8586502, 17173004, 23281903, 46563806, 93127612, 5284991981, 10569983962, 21139967924]

約数ペア:

[(1, 21139967924), (2, 10569983962), (4, 5284991981), (227, 93127612), (454, 46563806), (908, 23281903), (1231, 17173004), (2462, 8586502), (4924, 4293251), (18913, 1117748), (37826, 558874), (75652, 279437)]