21413072

素因数分解:

$2^4\times {\mathrm{1063}}^1\times {\mathrm{1259}}^1$

素因数の和:2330

約数の個数: 20

約数和(自身を含む): 41559840

約数和(自身を除く): 20146768

約数列:

[1, 2, 4, 8, 16, 1063, 1259, 2126, 2518, 4252, 5036, 8504, 10072, 17008, 20144, 1338317, 2676634, 5353268, 10706536, 21413072]

約数ペア:

[(1, 21413072), (2, 10706536), (4, 5353268), (8, 2676634), (16, 1338317), (1063, 20144), (1259, 17008), (2126, 10072), (2518, 8504), (4252, 5036)]