21496792

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{65539}}^1$

素因数の和:65586

約数の個数: 16

約数和(自身を含む): 41290200

約数和(自身を除く): 19793408

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 65539, 131078, 262156, 524312, 2687099, 5374198, 10748396, 21496792]

約数ペア:

[(1, 21496792), (2, 10748396), (4, 5374198), (8, 2687099), (41, 524312), (82, 262156), (164, 131078), (328, 65539)]