21285324

素因数分解:

$2^2\times 3^2\times {\mathrm{591259}}^1$

素因数の和:591269

約数の個数: 18

約数和(自身を含む): 53804660

約数和(自身を除く): 32519336

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 591259, 1182518, 1773777, 2365036, 3547554, 5321331, 7095108, 10642662, 21285324]

約数ペア:

[(1, 21285324), (2, 10642662), (3, 7095108), (4, 5321331), (6, 3547554), (9, 2365036), (12, 1773777), (18, 1182518), (36, 591259)]