21383445981

素因数分解:

$3^1\times {\mathrm{547}}^1\times {\mathrm{1777}}^1\times {\mathrm{7333}}^1$

素因数の和:9660

約数の個数: 16

約数和(自身を含む): 28583355584

約数和(自身を除く): 7199909603

約数列:

[1, 3, 547, 1641, 1777, 5331, 7333, 21999, 972019, 2916057, 4011151, 12033453, 13030741, 39092223, 7127815327, 21383445981]

約数ペア:

[(1, 21383445981), (3, 7127815327), (547, 39092223), (1641, 13030741), (1777, 12033453), (5331, 4011151), (7333, 2916057), (21999, 972019)]