21288509820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{118269499}}^1$

素因数の和:118269514

約数の個数: 36

約数和(自身を含む): 64575147000

約数和(自身を除く): 43286637180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 118269499, 236538998, 354808497, 473077996, 591347495, 709616994, 1064425491, 1182694990, 1419233988, 1774042485, 2128850982, 2365389980, 3548084970, 4257701964, 5322127455, 7096169940, 10644254910, 21288509820]

約数ペア:

[(1, 21288509820), (2, 10644254910), (3, 7096169940), (4, 5322127455), (5, 4257701964), (6, 3548084970), (9, 2365389980), (10, 2128850982), (12, 1774042485), (15, 1419233988), (18, 1182694990), (20, 1064425491), (30, 709616994), (36, 591347495), (45, 473077996), (60, 354808497), (90, 236538998), (180, 118269499)]