21521536

素因数分解:

$2^7\times {\mathrm{383}}^1\times {\mathrm{439}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 43084800

約数和(自身を除く): 21563264

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 383, 439, 766, 878, 1532, 1756, 3064, 3512, 6128, 7024, 12256, 14048, 24512, 28096, 49024, 56192, 168137, 336274, 672548, 1345096, 2690192, 5380384, 10760768, 21521536]

約数ペア:

[(1, 21521536), (2, 10760768), (4, 5380384), (8, 2690192), (16, 1345096), (32, 672548), (64, 336274), (128, 168137), (383, 56192), (439, 49024), (766, 28096), (878, 24512), (1532, 14048), (1756, 12256), (3064, 7024), (3512, 6128)]