21090849

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{1129}}^1$

素因数の和:1624

約数の個数: 16

約数和(自身を含む): 30374400

約数和(自身を除く): 9283551

約数列:

[1, 3, 13, 39, 479, 1129, 1437, 3387, 6227, 14677, 18681, 44031, 540791, 1622373, 7030283, 21090849]

約数ペア:

[(1, 21090849), (3, 7030283), (13, 1622373), (39, 540791), (479, 44031), (1129, 18681), (1437, 14677), (3387, 6227)]