21171712

素因数分解:

$2^9\times {\mathrm{41351}}^1$

素因数の和:41369

約数の個数: 20

約数和(自身を含む): 42303096

約数和(自身を除く): 21131384

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 41351, 82702, 165404, 330808, 661616, 1323232, 2646464, 5292928, 10585856, 21171712]

約数ペア:

[(1, 21171712), (2, 10585856), (4, 5292928), (8, 2646464), (16, 1323232), (32, 661616), (64, 330808), (128, 165404), (256, 82702), (512, 41351)]