21456054

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1459}}^1$

素因数の和:1529

約数の個数: 48

約数和(自身を含む): 50107200

約数和(自身を除く): 28651146

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 43, 57, 86, 114, 129, 171, 258, 342, 387, 774, 817, 1459, 1634, 2451, 2918, 4377, 4902, 7353, 8754, 13131, 14706, 26262, 27721, 55442, 62737, 83163, 125474, 166326, 188211, 249489, 376422, 498978, 564633, 1129266, 1192003, 2384006, 3576009, 7152018, 10728027, 21456054]

約数ペア:

[(1, 21456054), (2, 10728027), (3, 7152018), (6, 3576009), (9, 2384006), (18, 1192003), (19, 1129266), (38, 564633), (43, 498978), (57, 376422), (86, 249489), (114, 188211), (129, 166326), (171, 125474), (258, 83163), (342, 62737), (387, 55442), (774, 27721), (817, 26262), (1459, 14706), (1634, 13131), (2451, 8754), (2918, 7353), (4377, 4902)]