21239952

素因数分解:

$2^4\times 3^1\times {\mathrm{442499}}^1$

素因数の和:442510

約数の個数: 20

約数和(自身を含む): 54870000

約数和(自身を除く): 33630048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 442499, 884998, 1327497, 1769996, 2654994, 3539992, 5309988, 7079984, 10619976, 21239952]

約数ペア:

[(1, 21239952), (2, 10619976), (3, 7079984), (4, 5309988), (6, 3539992), (8, 2654994), (12, 1769996), (16, 1327497), (24, 884998), (48, 442499)]