21980043324

素因数分解:

$2^2\times 3^2\times {\mathrm{610556759}}^1$

素因数の和:610556769

約数の個数: 18

約数和(自身を含む): 55560665160

約数和(自身を除く): 33580621836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 610556759, 1221113518, 1831670277, 2442227036, 3663340554, 5495010831, 7326681108, 10990021662, 21980043324]

約数ペア:

[(1, 21980043324), (2, 10990021662), (3, 7326681108), (4, 5495010831), (6, 3663340554), (9, 2442227036), (12, 1831670277), (18, 1221113518), (36, 610556759)]