2021371856

素因数分解:

$2^4\times 7^1\times {\mathrm{18047963}}^1$

素因数の和:18047978

約数の個数: 20

約数和(自身を含む): 4475895072

約数和(自身を除く): 2454523216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 18047963, 36095926, 72191852, 126335741, 144383704, 252671482, 288767408, 505342964, 1010685928, 2021371856]

約数ペア:

[(1, 2021371856), (2, 1010685928), (4, 505342964), (7, 288767408), (8, 252671482), (14, 144383704), (16, 126335741), (28, 72191852), (56, 36095926), (112, 18047963)]