21240972

素因数分解:

$2^2\times 3^2\times {\mathrm{590027}}^1$

素因数の和:590037

約数の個数: 18

約数和(自身を含む): 53692548

約数和(自身を除く): 32451576

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 590027, 1180054, 1770081, 2360108, 3540162, 5310243, 7080324, 10620486, 21240972]

約数ペア:

[(1, 21240972), (2, 10620486), (3, 7080324), (4, 5310243), (6, 3540162), (9, 2360108), (12, 1770081), (18, 1180054), (36, 590027)]