21517622

素因数分解:

$2^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{5431}}^1$

素因数の和:5723

約数の個数: 16

約数和(自身を含む): 37024512

約数和(自身を除く): 15506890

約数列:

[1, 2, 7, 14, 283, 566, 1981, 3962, 5431, 10862, 38017, 76034, 1536973, 3073946, 10758811, 21517622]

約数ペア:

[(1, 21517622), (2, 10758811), (7, 3073946), (14, 1536973), (283, 76034), (566, 38017), (1981, 10862), (3962, 5431)]