21103633557

素因数分解:

$3^2\times {\mathrm{431}}^1\times {\mathrm{443}}^1\times {\mathrm{12281}}^1$

素因数の和:13161

約数の個数: 24

約数和(自身を含む): 30625216128

約数和(自身を除く): 9521582571

約数列:

[1, 3, 9, 431, 443, 1293, 1329, 3879, 3987, 12281, 36843, 110529, 190933, 572799, 1718397, 5293111, 5440483, 15879333, 16321449, 47637999, 48964347, 2344848173, 7034544519, 21103633557]

約数ペア:

[(1, 21103633557), (3, 7034544519), (9, 2344848173), (431, 48964347), (443, 47637999), (1293, 16321449), (1329, 15879333), (3879, 5440483), (3987, 5293111), (12281, 1718397), (36843, 572799), (110529, 190933)]