21084980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{150607}}^1$

素因数の和:150623

約数の個数: 24

約数和(自身を含む): 50604288

約数和(自身を除く): 29519308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 150607, 301214, 602428, 753035, 1054249, 1506070, 2108498, 3012140, 4216996, 5271245, 10542490, 21084980]

約数ペア:

[(1, 21084980), (2, 10542490), (4, 5271245), (5, 4216996), (7, 3012140), (10, 2108498), (14, 1506070), (20, 1054249), (28, 753035), (35, 602428), (70, 301214), (140, 150607)]