21176000

素因数分解:

$2^6\times 5^3\times {\mathrm{2647}}^1$

素因数の和:2674

約数の個数: 56

約数和(自身を含む): 52462176

約数和(自身を除く): 31286176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 2647, 4000, 5294, 8000, 10588, 13235, 21176, 26470, 42352, 52940, 66175, 84704, 105880, 132350, 169408, 211760, 264700, 330875, 423520, 529400, 661750, 847040, 1058800, 1323500, 2117600, 2647000, 4235200, 5294000, 10588000, 21176000]

約数ペア:

[(1, 21176000), (2, 10588000), (4, 5294000), (5, 4235200), (8, 2647000), (10, 2117600), (16, 1323500), (20, 1058800), (25, 847040), (32, 661750), (40, 529400), (50, 423520), (64, 330875), (80, 264700), (100, 211760), (125, 169408), (160, 132350), (200, 105880), (250, 84704), (320, 66175), (400, 52940), (500, 42352), (800, 26470), (1000, 21176), (1600, 13235), (2000, 10588), (2647, 8000), (4000, 5294)]