21181689

素因数分解:

$3^3\times {\mathrm{23}}^2\times {\mathrm{1483}}^1$

素因数の和:1538

約数の個数: 24

約数和(自身を含む): 32826080

約数和(自身を除く): 11644391

約数列:

[1, 3, 9, 23, 27, 69, 207, 529, 621, 1483, 1587, 4449, 4761, 13347, 14283, 34109, 40041, 102327, 306981, 784507, 920943, 2353521, 7060563, 21181689]

約数ペア:

[(1, 21181689), (3, 7060563), (9, 2353521), (23, 920943), (27, 784507), (69, 306981), (207, 102327), (529, 40041), (621, 34109), (1483, 14283), (1587, 13347), (4449, 4761)]