21061000

素因数分解:

$2^3\times 5^3\times {\mathrm{21061}}^1$

素因数の和:21082

約数の個数: 32

約数和(自身を含む): 49285080

約数和(自身を除く): 28224080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 21061, 42122, 84244, 105305, 168488, 210610, 421220, 526525, 842440, 1053050, 2106100, 2632625, 4212200, 5265250, 10530500, 21061000]

約数ペア:

[(1, 21061000), (2, 10530500), (4, 5265250), (5, 4212200), (8, 2632625), (10, 2106100), (20, 1053050), (25, 842440), (40, 526525), (50, 421220), (100, 210610), (125, 168488), (200, 105305), (250, 84244), (500, 42122), (1000, 21061)]