21047952

素因数分解:

$2^4\times 3^1\times {\mathrm{438499}}^1$

素因数の和:438510

約数の個数: 20

約数和(自身を含む): 54374000

約数和(自身を除く): 33326048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 438499, 876998, 1315497, 1753996, 2630994, 3507992, 5261988, 7015984, 10523976, 21047952]

約数ペア:

[(1, 21047952), (2, 10523976), (3, 7015984), (4, 5261988), (6, 3507992), (8, 2630994), (12, 1753996), (16, 1315497), (24, 876998), (48, 438499)]