21383536

素因数分解:

$2^4\times {\mathrm{503}}^1\times {\mathrm{2657}}^1$

素因数の和:3168

約数の個数: 20

約数和(自身を含む): 41528592

約数和(自身を除く): 20145056

約数列:

[1, 2, 4, 8, 16, 503, 1006, 2012, 2657, 4024, 5314, 8048, 10628, 21256, 42512, 1336471, 2672942, 5345884, 10691768, 21383536]

約数ペア:

[(1, 21383536), (2, 10691768), (4, 5345884), (8, 2672942), (16, 1336471), (503, 42512), (1006, 21256), (2012, 10628), (2657, 8048), (4024, 5314)]