21303876

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{643}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 54528768

約数和(自身を除く): 33224892

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 251, 502, 643, 753, 1004, 1286, 1506, 1929, 2572, 2761, 3012, 3858, 5522, 7073, 7716, 8283, 11044, 14146, 16566, 21219, 28292, 33132, 42438, 84876, 161393, 322786, 484179, 645572, 968358, 1775323, 1936716, 3550646, 5325969, 7101292, 10651938, 21303876]

約数ペア:

[(1, 21303876), (2, 10651938), (3, 7101292), (4, 5325969), (6, 3550646), (11, 1936716), (12, 1775323), (22, 968358), (33, 645572), (44, 484179), (66, 322786), (132, 161393), (251, 84876), (502, 42438), (643, 33132), (753, 28292), (1004, 21219), (1286, 16566), (1506, 14146), (1929, 11044), (2572, 8283), (2761, 7716), (3012, 7073), (3858, 5522)]