21225242

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{4943}}^1$

素因数の和:5077

約数の個数: 16

約数和(自身を含む): 33816960

約数和(自身を除く): 12591718

約数列:

[1, 2, 19, 38, 113, 226, 2147, 4294, 4943, 9886, 93917, 187834, 558559, 1117118, 10612621, 21225242]

約数ペア:

[(1, 21225242), (2, 10612621), (19, 1117118), (38, 558559), (113, 187834), (226, 93917), (2147, 9886), (4294, 4943)]