21042036

素因数分解:

$2^2\times 3^2\times {\mathrm{577}}^1\times {\mathrm{1013}}^1$

素因数の和:1600

約数の個数: 36

約数和(自身を含む): 53334372

約数和(自身を除く): 32292336

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 577, 1013, 1154, 1731, 2026, 2308, 3039, 3462, 4052, 5193, 6078, 6924, 9117, 10386, 12156, 18234, 20772, 36468, 584501, 1169002, 1753503, 2338004, 3507006, 5260509, 7014012, 10521018, 21042036]

約数ペア:

[(1, 21042036), (2, 10521018), (3, 7014012), (4, 5260509), (6, 3507006), (9, 2338004), (12, 1753503), (18, 1169002), (36, 584501), (577, 36468), (1013, 20772), (1154, 18234), (1731, 12156), (2026, 10386), (2308, 9117), (3039, 6924), (3462, 6078), (4052, 5193)]