21999272

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{4937}}^1$

素因数の和:5500

約数の個数: 16

約数和(自身を含む): 41331060

約数和(自身を除く): 19331788

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4456, 4937, 9874, 19748, 39496, 2749909, 5499818, 10999636, 21999272]

約数ペア:

[(1, 21999272), (2, 10999636), (4, 5499818), (8, 2749909), (557, 39496), (1114, 19748), (2228, 9874), (4456, 4937)]