21130180614

素因数分解:

$2^1\times 3^3\times {\mathrm{1993}}^1\times {\mathrm{196337}}^1$

素因数の和:198341

約数の個数: 32

約数和(自身を含む): 46979756640

約数和(自身を除く): 25849576026

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1993, 3986, 5979, 11958, 17937, 35874, 53811, 107622, 196337, 392674, 589011, 1178022, 1767033, 3534066, 5301099, 10602198, 391299641, 782599282, 1173898923, 2347797846, 3521696769, 7043393538, 10565090307, 21130180614]

約数ペア:

[(1, 21130180614), (2, 10565090307), (3, 7043393538), (6, 3521696769), (9, 2347797846), (18, 1173898923), (27, 782599282), (54, 391299641), (1993, 10602198), (3986, 5301099), (5979, 3534066), (11958, 1767033), (17937, 1178022), (35874, 589011), (53811, 392674), (107622, 196337)]