21959370

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{81331}}^1$

素因数の和:81347

約数の個数: 32

約数和(自身を含む): 58559040

約数和(自身を除く): 36599670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 81331, 162662, 243993, 406655, 487986, 731979, 813310, 1219965, 1463958, 2195937, 2439930, 3659895, 4391874, 7319790, 10979685, 21959370]

約数ペア:

[(1, 21959370), (2, 10979685), (3, 7319790), (5, 4391874), (6, 3659895), (9, 2439930), (10, 2195937), (15, 1463958), (18, 1219965), (27, 813310), (30, 731979), (45, 487986), (54, 406655), (90, 243993), (135, 162662), (270, 81331)]