21011010993

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4977733}}^1$

素因数の和:4977813

約数の個数: 24

約数和(自身を含む): 35202534848

約数和(自身を除く): 14191523855

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 4977733, 14933199, 34844131, 44799597, 104532393, 313597179, 333508111, 1000524333, 2334556777, 3001572999, 7003670331, 21011010993]

約数ペア:

[(1, 21011010993), (3, 7003670331), (7, 3001572999), (9, 2334556777), (21, 1000524333), (63, 333508111), (67, 313597179), (201, 104532393), (469, 44799597), (603, 34844131), (1407, 14933199), (4221, 4977733)]