21255216

素因数分解:

$2^4\times 3^1\times {\mathrm{442817}}^1$

素因数の和:442828

約数の個数: 20

約数和(自身を含む): 54909432

約数和(自身を除く): 33654216

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 442817, 885634, 1328451, 1771268, 2656902, 3542536, 5313804, 7085072, 10627608, 21255216]

約数ペア:

[(1, 21255216), (2, 10627608), (3, 7085072), (4, 5313804), (6, 3542536), (8, 2656902), (12, 1771268), (16, 1328451), (24, 885634), (48, 442817)]