21715758

素因数分解:

$2^1\times 3^2\times {\mathrm{619}}^1\times {\mathrm{1949}}^1$

素因数の和:2576

約数の個数: 24

約数和(自身を含む): 47151000

約数和(自身を除く): 25435242

約数列:

[1, 2, 3, 6, 9, 18, 619, 1238, 1857, 1949, 3714, 3898, 5571, 5847, 11142, 11694, 17541, 35082, 1206431, 2412862, 3619293, 7238586, 10857879, 21715758]

約数ペア:

[(1, 21715758), (2, 10857879), (3, 7238586), (6, 3619293), (9, 2412862), (18, 1206431), (619, 35082), (1238, 17541), (1857, 11694), (1949, 11142), (3714, 5847), (3898, 5571)]