21541224

素因数分解:

$2^3\times 3^1\times {\mathrm{449}}^1\times {\mathrm{1999}}^1$

素因数の和:2457

約数の個数: 32

約数和(自身を含む): 54000000

約数和(自身を除く): 32458776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 449, 898, 1347, 1796, 1999, 2694, 3592, 3998, 5388, 5997, 7996, 10776, 11994, 15992, 23988, 47976, 897551, 1795102, 2692653, 3590204, 5385306, 7180408, 10770612, 21541224]

約数ペア:

[(1, 21541224), (2, 10770612), (3, 7180408), (4, 5385306), (6, 3590204), (8, 2692653), (12, 1795102), (24, 897551), (449, 47976), (898, 23988), (1347, 15992), (1796, 11994), (1999, 10776), (2694, 7996), (3592, 5997), (3998, 5388)]