21660084

素因数分解:

$2^2\times 3^2\times {\mathrm{601669}}^1$

素因数の和:601679

約数の個数: 18

約数和(自身を含む): 54751970

約数和(自身を除く): 33091886

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 601669, 1203338, 1805007, 2406676, 3610014, 5415021, 7220028, 10830042, 21660084]

約数ペア:

[(1, 21660084), (2, 10830042), (3, 7220028), (4, 5415021), (6, 3610014), (9, 2406676), (12, 1805007), (18, 1203338), (36, 601669)]