21040326

素因数分解:

$2^1\times 3^2\times {\mathrm{251}}^1\times {\mathrm{4657}}^1$

素因数の和:4916

約数の個数: 24

約数和(自身を含む): 45778824

約数和(自身を除く): 24738498

約数列:

[1, 2, 3, 6, 9, 18, 251, 502, 753, 1506, 2259, 4518, 4657, 9314, 13971, 27942, 41913, 83826, 1168907, 2337814, 3506721, 7013442, 10520163, 21040326]

約数ペア:

[(1, 21040326), (2, 10520163), (3, 7013442), (6, 3506721), (9, 2337814), (18, 1168907), (251, 83826), (502, 41913), (753, 27942), (1506, 13971), (2259, 9314), (4518, 4657)]