21178638

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{30169}}^1$

素因数の和:30193

約数の個数: 32

約数和(自身を含む): 50685600

約数和(自身を除く): 29506962

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 30169, 60338, 90507, 181014, 271521, 392197, 543042, 784394, 814563, 1176591, 1629126, 2353182, 3529773, 7059546, 10589319, 21178638]

約数ペア:

[(1, 21178638), (2, 10589319), (3, 7059546), (6, 3529773), (9, 2353182), (13, 1629126), (18, 1176591), (26, 814563), (27, 784394), (39, 543042), (54, 392197), (78, 271521), (117, 181014), (234, 90507), (351, 60338), (702, 30169)]