21423236

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{727}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 38525760

約数和(自身を除く): 17102524

約数列:

[1, 2, 4, 53, 106, 139, 212, 278, 556, 727, 1454, 2908, 7367, 14734, 29468, 38531, 77062, 101053, 154124, 202106, 404212, 5355809, 10711618, 21423236]

約数ペア:

[(1, 21423236), (2, 10711618), (4, 5355809), (53, 404212), (106, 202106), (139, 154124), (212, 101053), (278, 77062), (556, 38531), (727, 29468), (1454, 14734), (2908, 7367)]