21743030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^3\times {\mathrm{317}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 41441760

約数和(自身を除く): 19698730

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 317, 361, 634, 722, 1585, 1805, 3170, 3610, 6023, 6859, 12046, 13718, 30115, 34295, 60230, 68590, 114437, 228874, 572185, 1144370, 2174303, 4348606, 10871515, 21743030]

約数ペア:

[(1, 21743030), (2, 10871515), (5, 4348606), (10, 2174303), (19, 1144370), (38, 572185), (95, 228874), (190, 114437), (317, 68590), (361, 60230), (634, 34295), (722, 30115), (1585, 13718), (1805, 12046), (3170, 6859), (3610, 6023)]