21564156951

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4348489}}^1$

素因数の和:4348543

約数の個数: 24

約数和(自身を含む): 33918222000

約数和(自身を除く): 12354065049

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4959, 4348489, 13045467, 39136401, 82621291, 126106181, 247863873, 378318543, 743591619, 1134955629, 2396017439, 7188052317, 21564156951]

約数ペア:

[(1, 21564156951), (3, 7188052317), (9, 2396017439), (19, 1134955629), (29, 743591619), (57, 378318543), (87, 247863873), (171, 126106181), (261, 82621291), (551, 39136401), (1653, 13045467), (4959, 4348489)]