21595077

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18041}}^1$

素因数の和:18073

約数の個数: 24

約数和(自身を含む): 37527360

約数和(自身を除く): 15932283

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 18041, 54123, 126287, 162369, 342779, 378861, 1028337, 1136583, 2399453, 3085011, 7198359, 21595077]

約数ペア:

[(1, 21595077), (3, 7198359), (7, 3085011), (9, 2399453), (19, 1136583), (21, 1028337), (57, 378861), (63, 342779), (133, 162369), (171, 126287), (399, 54123), (1197, 18041)]