21185776

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{45659}}^1$

素因数の和:45696

約数の個数: 20

約数和(自身を含む): 42463800

約数和(自身を除く): 21278024

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 45659, 91318, 182636, 365272, 730544, 1324111, 2648222, 5296444, 10592888, 21185776]

約数ペア:

[(1, 21185776), (2, 10592888), (4, 5296444), (8, 2648222), (16, 1324111), (29, 730544), (58, 365272), (116, 182636), (232, 91318), (464, 45659)]