21809300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12829}}^1$

素因数の和:12860

約数の個数: 36

約数和(自身を含む): 50113980

約数和(自身を除く): 28304680

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 12829, 25658, 51316, 64145, 128290, 218093, 256580, 320725, 436186, 641450, 872372, 1090465, 1282900, 2180930, 4361860, 5452325, 10904650, 21809300]

約数ペア:

[(1, 21809300), (2, 10904650), (4, 5452325), (5, 4361860), (10, 2180930), (17, 1282900), (20, 1090465), (25, 872372), (34, 641450), (50, 436186), (68, 320725), (85, 256580), (100, 218093), (170, 128290), (340, 64145), (425, 51316), (850, 25658), (1700, 12829)]