21392128

素因数分解:

$2^8\times {\mathrm{83563}}^1$

素因数の和:83579

約数の個数: 18

約数和(自身を含む): 42701204

約数和(自身を除く): 21309076

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 83563, 167126, 334252, 668504, 1337008, 2674016, 5348032, 10696064, 21392128]

約数ペア:

[(1, 21392128), (2, 10696064), (4, 5348032), (8, 2674016), (16, 1337008), (32, 668504), (64, 334252), (128, 167126), (256, 83563)]