21434961

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1\times {\mathrm{541}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 29346048

約数和(自身を除く): 7911087

約数列:

[1, 3, 47, 141, 281, 541, 843, 1623, 13207, 25427, 39621, 76281, 152021, 456063, 7144987, 21434961]

約数ペア:

[(1, 21434961), (3, 7144987), (47, 456063), (141, 152021), (281, 76281), (541, 39621), (843, 25427), (1623, 13207)]