21380076

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{20479}}^1$

素因数の和:20518

約数の個数: 36

約数和(自身を含む): 55910400

約数和(自身を除く): 34530324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 20479, 40958, 61437, 81916, 122874, 184311, 245748, 368622, 593891, 737244, 1187782, 1781673, 2375564, 3563346, 5345019, 7126692, 10690038, 21380076]

約数ペア:

[(1, 21380076), (2, 10690038), (3, 7126692), (4, 5345019), (6, 3563346), (9, 2375564), (12, 1781673), (18, 1187782), (29, 737244), (36, 593891), (58, 368622), (87, 245748), (116, 184311), (174, 122874), (261, 81916), (348, 61437), (522, 40958), (1044, 20479)]