21241518

素因数分解:

$2^1\times 3^1\times {\mathrm{1217}}^1\times {\mathrm{2909}}^1$

素因数の和:4131

約数の個数: 16

約数和(自身を含む): 42532560

約数和(自身を除く): 21291042

約数列:

[1, 2, 3, 6, 1217, 2434, 2909, 3651, 5818, 7302, 8727, 17454, 3540253, 7080506, 10620759, 21241518]

約数ペア:

[(1, 21241518), (2, 10620759), (3, 7080506), (6, 3540253), (1217, 17454), (2434, 8727), (2909, 7302), (3651, 5818)]