21942085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1789}}^1$

素因数の和:2028

約数の個数: 16

約数和(自身を含む): 28869120

約数和(自身を除く): 6927035

約数列:

[1, 5, 11, 55, 223, 1115, 1789, 2453, 8945, 12265, 19679, 98395, 398947, 1994735, 4388417, 21942085]

約数ペア:

[(1, 21942085), (5, 4388417), (11, 1994735), (55, 398947), (223, 98395), (1115, 19679), (1789, 12265), (2453, 8945)]