21438756

素因数分解:

$2^2\times 3^4\times {\mathrm{66169}}^1$

素因数の和:66185

約数の個数: 30

約数和(自身を含む): 56045990

約数和(自身を除く): 34607234

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 66169, 132338, 198507, 264676, 397014, 595521, 794028, 1191042, 1786563, 2382084, 3573126, 5359689, 7146252, 10719378, 21438756]

約数ペア:

[(1, 21438756), (2, 10719378), (3, 7146252), (4, 5359689), (6, 3573126), (9, 2382084), (12, 1786563), (18, 1191042), (27, 794028), (36, 595521), (54, 397014), (81, 264676), (108, 198507), (162, 132338), (324, 66169)]