21538554

素因数分解:

$2^1\times 3^1\times {\mathrm{631}}^1\times {\mathrm{5689}}^1$

素因数の和:6325

約数の個数: 16

約数和(自身を含む): 43152960

約数和(自身を除く): 21614406

約数列:

[1, 2, 3, 6, 631, 1262, 1893, 3786, 5689, 11378, 17067, 34134, 3589759, 7179518, 10769277, 21538554]

約数ペア:

[(1, 21538554), (2, 10769277), (3, 7179518), (6, 3589759), (631, 34134), (1262, 17067), (1893, 11378), (3786, 5689)]