21319000

素因数分解:

$2^3\times 5^3\times {\mathrm{21319}}^1$

素因数の和:21340

約数の個数: 32

約数和(自身を含む): 49888800

約数和(自身を除く): 28569800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 21319, 42638, 85276, 106595, 170552, 213190, 426380, 532975, 852760, 1065950, 2131900, 2664875, 4263800, 5329750, 10659500, 21319000]

約数ペア:

[(1, 21319000), (2, 10659500), (4, 5329750), (5, 4263800), (8, 2664875), (10, 2131900), (20, 1065950), (25, 852760), (40, 532975), (50, 426380), (100, 213190), (125, 170552), (200, 106595), (250, 85276), (500, 42638), (1000, 21319)]