21766620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1823}}^1$

素因数の和:2034

約数の個数: 48

約数和(自身を含む): 61286400

約数和(自身を除く): 39519780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1823, 1990, 2388, 2985, 3646, 3980, 5469, 5970, 7292, 9115, 10938, 11940, 18230, 21876, 27345, 36460, 54690, 109380, 362777, 725554, 1088331, 1451108, 1813885, 2176662, 3627770, 4353324, 5441655, 7255540, 10883310, 21766620]

約数ペア:

[(1, 21766620), (2, 10883310), (3, 7255540), (4, 5441655), (5, 4353324), (6, 3627770), (10, 2176662), (12, 1813885), (15, 1451108), (20, 1088331), (30, 725554), (60, 362777), (199, 109380), (398, 54690), (597, 36460), (796, 27345), (995, 21876), (1194, 18230), (1823, 11940), (1990, 10938), (2388, 9115), (2985, 7292), (3646, 5970), (3980, 5469)]