21348160

素因数分解:

$2^6\times 5^1\times {\mathrm{66713}}^1$

素因数の和:66730

約数の個数: 28

約数和(自身を含む): 50836068

約数和(自身を除く): 29487908

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 66713, 133426, 266852, 333565, 533704, 667130, 1067408, 1334260, 2134816, 2668520, 4269632, 5337040, 10674080, 21348160]

約数ペア:

[(1, 21348160), (2, 10674080), (4, 5337040), (5, 4269632), (8, 2668520), (10, 2134816), (16, 1334260), (20, 1067408), (32, 667130), (40, 533704), (64, 333565), (80, 266852), (160, 133426), (320, 66713)]