21063912

素因数分解:

$2^3\times 3^1\times {\mathrm{103}}^1\times {\mathrm{8521}}^1$

素因数の和:8633

約数の個数: 32

約数和(自身を含む): 53177280

約数和(自身を除く): 32113368

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 103, 206, 309, 412, 618, 824, 1236, 2472, 8521, 17042, 25563, 34084, 51126, 68168, 102252, 204504, 877663, 1755326, 2632989, 3510652, 5265978, 7021304, 10531956, 21063912]

約数ペア:

[(1, 21063912), (2, 10531956), (3, 7021304), (4, 5265978), (6, 3510652), (8, 2632989), (12, 1755326), (24, 877663), (103, 204504), (206, 102252), (309, 68168), (412, 51126), (618, 34084), (824, 25563), (1236, 17042), (2472, 8521)]