21555654

素因数分解:

$2^1\times 3^1\times {\mathrm{113}}^1\times {\mathrm{31793}}^1$

素因数の和:31911

約数の個数: 16

約数和(自身を含む): 43494192

約数和(自身を除く): 21938538

約数列:

[1, 2, 3, 6, 113, 226, 339, 678, 31793, 63586, 95379, 190758, 3592609, 7185218, 10777827, 21555654]

約数ペア:

[(1, 21555654), (2, 10777827), (3, 7185218), (6, 3592609), (113, 190758), (226, 95379), (339, 63586), (678, 31793)]