21847562

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43177}}^1$

素因数の和:43213

約数の個数: 16

約数和(自身を含む): 37305792

約数和(自身を除く): 15458230

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 43177, 86354, 474947, 949894, 993071, 1986142, 10923781, 21847562]

約数ペア:

[(1, 21847562), (2, 10923781), (11, 1986142), (22, 993071), (23, 949894), (46, 474947), (253, 86354), (506, 43177)]