21136272

素因数分解:

$2^4\times 3^1\times {\mathrm{440339}}^1$

素因数の和:440350

約数の個数: 20

約数和(自身を含む): 54602160

約数和(自身を除く): 33465888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 440339, 880678, 1321017, 1761356, 2642034, 3522712, 5284068, 7045424, 10568136, 21136272]

約数ペア:

[(1, 21136272), (2, 10568136), (3, 7045424), (4, 5284068), (6, 3522712), (8, 2642034), (12, 1761356), (16, 1321017), (24, 880678), (48, 440339)]