21836668

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{3919}}^1$

素因数の和:4129

約数の個数: 24

約数和(自身を含む): 43904000

約数和(自身を除く): 22067332

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 3919, 5572, 7838, 15676, 27433, 54866, 109732, 779881, 1559762, 3119524, 5459167, 10918334, 21836668]

約数ペア:

[(1, 21836668), (2, 10918334), (4, 5459167), (7, 3119524), (14, 1559762), (28, 779881), (199, 109732), (398, 54866), (796, 27433), (1393, 15676), (2786, 7838), (3919, 5572)]