21799137

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1361}}^1$

素因数の和:1664

約数の個数: 16

約数和(自身を含む): 30726720

約数和(自身を除く): 8927583

約数列:

[1, 3, 19, 57, 281, 843, 1361, 4083, 5339, 16017, 25859, 77577, 382441, 1147323, 7266379, 21799137]

約数ペア:

[(1, 21799137), (3, 7266379), (19, 1147323), (57, 382441), (281, 77577), (843, 25859), (1361, 16017), (4083, 5339)]