21342904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{242533}}^1$

素因数の和:242550

約数の個数: 16

約数和(自身を含む): 43656120

約数和(自身を除く): 22313216

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 242533, 485066, 970132, 1940264, 2667863, 5335726, 10671452, 21342904]

約数ペア:

[(1, 21342904), (2, 10671452), (4, 5335726), (8, 2667863), (11, 1940264), (22, 970132), (44, 485066), (88, 242533)]