21875991

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{11593}}^1$

素因数の和:11650

約数の個数: 16

約数和(自身を含む): 31721184

約数和(自身を除く): 9845193

約数列:

[1, 3, 17, 37, 51, 111, 629, 1887, 11593, 34779, 197081, 428941, 591243, 1286823, 7291997, 21875991]

約数ペア:

[(1, 21875991), (3, 7291997), (17, 1286823), (37, 591243), (51, 428941), (111, 197081), (629, 34779), (1887, 11593)]