21442874

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{647}}^1$

素因数の和:949

約数の個数: 16

約数和(自身を含む): 32799168

約数和(自身を除く): 11356294

約数列:

[1, 2, 73, 146, 227, 454, 647, 1294, 16571, 33142, 47231, 94462, 146869, 293738, 10721437, 21442874]

約数ペア:

[(1, 21442874), (2, 10721437), (73, 293738), (146, 146869), (227, 94462), (454, 47231), (647, 33142), (1294, 16571)]