21812958

素因数分解:

$2^1\times 3^2\times {\mathrm{647}}^1\times {\mathrm{1873}}^1$

素因数の和:2528

約数の個数: 24

約数和(自身を含む): 47359728

約数和(自身を除く): 25546770

約数列:

[1, 2, 3, 6, 9, 18, 647, 1294, 1873, 1941, 3746, 3882, 5619, 5823, 11238, 11646, 16857, 33714, 1211831, 2423662, 3635493, 7270986, 10906479, 21812958]

約数ペア:

[(1, 21812958), (2, 10906479), (3, 7270986), (6, 3635493), (9, 2423662), (18, 1211831), (647, 33714), (1294, 16857), (1873, 11646), (1941, 11238), (3746, 5823), (3882, 5619)]