21154872

素因数分解:

$2^3\times 3^1\times {\mathrm{331}}^1\times {\mathrm{2663}}^1$

素因数の和:3003

約数の個数: 32

約数和(自身を含む): 53066880

約数和(自身を除く): 31912008

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 331, 662, 993, 1324, 1986, 2648, 2663, 3972, 5326, 7944, 7989, 10652, 15978, 21304, 31956, 63912, 881453, 1762906, 2644359, 3525812, 5288718, 7051624, 10577436, 21154872]

約数ペア:

[(1, 21154872), (2, 10577436), (3, 7051624), (4, 5288718), (6, 3525812), (8, 2644359), (12, 1762906), (24, 881453), (331, 63912), (662, 31956), (993, 21304), (1324, 15978), (1986, 10652), (2648, 7989), (2663, 7944), (3972, 5326)]