21288972

素因数分解:

$2^2\times 3^1\times {\mathrm{503}}^1\times {\mathrm{3527}}^1$

素因数の和:4037

約数の個数: 24

約数和(自身を含む): 49787136

約数和(自身を除く): 28498164

約数列:

[1, 2, 3, 4, 6, 12, 503, 1006, 1509, 2012, 3018, 3527, 6036, 7054, 10581, 14108, 21162, 42324, 1774081, 3548162, 5322243, 7096324, 10644486, 21288972]

約数ペア:

[(1, 21288972), (2, 10644486), (3, 7096324), (4, 5322243), (6, 3548162), (12, 1774081), (503, 42324), (1006, 21162), (1509, 14108), (2012, 10581), (3018, 7054), (3527, 6036)]