21299946878

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{18330419}}^1$

素因数の和:18330511

約数の個数: 16

約数和(自身を含む): 36954126720

約数和(自身を除く): 15654179842

約数列:

[1, 2, 7, 14, 83, 166, 581, 1162, 18330419, 36660838, 128312933, 256625866, 1521424777, 3042849554, 10649973439, 21299946878]

約数ペア:

[(1, 21299946878), (2, 10649973439), (7, 3042849554), (14, 1521424777), (83, 256625866), (166, 128312933), (581, 36660838), (1162, 18330419)]