21985326

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3001}}^1$

素因数の和:3057

約数の個数: 48

約数和(自身を含む): 53387568

約数和(自身を除く): 31402242

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 37, 66, 74, 99, 111, 198, 222, 333, 407, 666, 814, 1221, 2442, 3001, 3663, 6002, 7326, 9003, 18006, 27009, 33011, 54018, 66022, 99033, 111037, 198066, 222074, 297099, 333111, 594198, 666222, 999333, 1221407, 1998666, 2442814, 3664221, 7328442, 10992663, 21985326]

約数ペア:

[(1, 21985326), (2, 10992663), (3, 7328442), (6, 3664221), (9, 2442814), (11, 1998666), (18, 1221407), (22, 999333), (33, 666222), (37, 594198), (66, 333111), (74, 297099), (99, 222074), (111, 198066), (198, 111037), (222, 99033), (333, 66022), (407, 54018), (666, 33011), (814, 27009), (1221, 18006), (2442, 9003), (3001, 7326), (3663, 6002)]