21578982

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{20789}}^1$

素因数の和:20967

約数の個数: 16

約数和(自身を含む): 43409520

約数和(自身を除く): 21830538

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 20789, 41578, 62367, 124734, 3596497, 7192994, 10789491, 21578982]

約数ペア:

[(1, 21578982), (2, 10789491), (3, 7192994), (6, 3596497), (173, 124734), (346, 62367), (519, 41578), (1038, 20789)]