21054

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1$

素因数の和:56

約数の個数: 24

約数和(自身を含む): 47880

約数和(自身を除く): 26826

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 87, 121, 174, 242, 319, 363, 638, 726, 957, 1914, 3509, 7018, 10527, 21054]

約数ペア:

[(1, 21054), (2, 10527), (3, 7018), (6, 3509), (11, 1914), (22, 957), (29, 726), (33, 638), (58, 363), (66, 319), (87, 242), (121, 174)]