21496712

素因数分解:

$2^3\times {\mathrm{577}}^1\times {\mathrm{4657}}^1$

素因数の和:5240

約数の個数: 16

約数和(自身を含む): 40384860

約数和(自身を除く): 18888148

約数列:

[1, 2, 4, 8, 577, 1154, 2308, 4616, 4657, 9314, 18628, 37256, 2687089, 5374178, 10748356, 21496712]

約数ペア:

[(1, 21496712), (2, 10748356), (4, 5374178), (8, 2687089), (577, 37256), (1154, 18628), (2308, 9314), (4616, 4657)]