21897369

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{887}}^1$

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 34262592

約数和(自身を除く): 12365223

約数列:

[1, 3, 9, 13, 39, 117, 211, 633, 887, 1899, 2661, 2743, 7983, 8229, 11531, 24687, 34593, 103779, 187157, 561471, 1684413, 2433041, 7299123, 21897369]

約数ペア:

[(1, 21897369), (3, 7299123), (9, 2433041), (13, 1684413), (39, 561471), (117, 187157), (211, 103779), (633, 34593), (887, 24687), (1899, 11531), (2661, 8229), (2743, 7983)]