21255502

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{563}}^1$

素因数の和:1047

約数の個数: 16

約数和(自身を含む): 32757120

約数和(自身を除く): 11501618

約数列:

[1, 2, 43, 86, 439, 563, 878, 1126, 18877, 24209, 37754, 48418, 247157, 494314, 10627751, 21255502]

約数ペア:

[(1, 21255502), (2, 10627751), (43, 494314), (86, 247157), (439, 48418), (563, 37754), (878, 24209), (1126, 18877)]