21000432

素因数分解:

$2^4\times 3^1\times {\mathrm{437509}}^1$

素因数の和:437520

約数の個数: 20

約数和(自身を含む): 54251240

約数和(自身を除く): 33250808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 437509, 875018, 1312527, 1750036, 2625054, 3500072, 5250108, 7000144, 10500216, 21000432]

約数ペア:

[(1, 21000432), (2, 10500216), (3, 7000144), (4, 5250108), (6, 3500072), (8, 2625054), (12, 1750036), (16, 1312527), (24, 875018), (48, 437509)]