21299703

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{863}}^1$

素因数の和:1318

約数の個数: 16

約数和(自身を含む): 29998080

約数和(自身を除く): 8698377

約数列:

[1, 3, 19, 57, 433, 863, 1299, 2589, 8227, 16397, 24681, 49191, 373679, 1121037, 7099901, 21299703]

約数ペア:

[(1, 21299703), (3, 7099901), (19, 1121037), (57, 373679), (433, 49191), (863, 24681), (1299, 16397), (2589, 8227)]