21660858

素因数分解:

$2^1\times 3^4\times {\mathrm{133709}}^1$

素因数の和:133723

約数の個数: 20

約数和(自身を含む): 48536730

約数和(自身を除く): 26875872

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 133709, 267418, 401127, 802254, 1203381, 2406762, 3610143, 7220286, 10830429, 21660858]

約数ペア:

[(1, 21660858), (2, 10830429), (3, 7220286), (6, 3610143), (9, 2406762), (18, 1203381), (27, 802254), (54, 401127), (81, 267418), (162, 133709)]