21959608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{249541}}^1$

素因数の和:249558

約数の個数: 16

約数和(自身を含む): 44917560

約数和(自身を除く): 22957952

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 249541, 499082, 998164, 1996328, 2744951, 5489902, 10979804, 21959608]

約数ペア:

[(1, 21959608), (2, 10979804), (4, 5489902), (8, 2744951), (11, 1996328), (22, 998164), (44, 499082), (88, 249541)]