21095818

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1\times {\mathrm{653}}^1$

素因数の和:1241

約数の個数: 16

約数和(自身を含む): 32843880

約数和(自身を除く): 11748062

約数列:

[1, 2, 29, 58, 557, 653, 1114, 1306, 16153, 18937, 32306, 37874, 363721, 727442, 10547909, 21095818]

約数ペア:

[(1, 21095818), (2, 10547909), (29, 727442), (58, 363721), (557, 37874), (653, 32306), (1114, 18937), (1306, 16153)]