21803536

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{7877}}^1$

素因数の和:8058

約数の個数: 20

約数和(自身を含む): 42493932

約数和(自身を除く): 20690396

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 7877, 15754, 31508, 63016, 126032, 1362721, 2725442, 5450884, 10901768, 21803536]

約数ペア:

[(1, 21803536), (2, 10901768), (4, 5450884), (8, 2725442), (16, 1362721), (173, 126032), (346, 63016), (692, 31508), (1384, 15754), (2768, 7877)]