21068536

素因数分解:

$2^3\times {\mathrm{1381}}^1\times {\mathrm{1907}}^1$

素因数の和:3294

約数の個数: 16

約数和(自身を含む): 39552840

約数和(自身を除く): 18484304

約数列:

[1, 2, 4, 8, 1381, 1907, 2762, 3814, 5524, 7628, 11048, 15256, 2633567, 5267134, 10534268, 21068536]

約数ペア:

[(1, 21068536), (2, 10534268), (4, 5267134), (8, 2633567), (1381, 15256), (1907, 11048), (2762, 7628), (3814, 5524)]