21706866

素因数分解:

$2^1\times 3^4\times {\mathrm{133993}}^1$

素因数の和:134007

約数の個数: 20

約数和(自身を含む): 48639822

約数和(自身を除く): 26932956

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 133993, 267986, 401979, 803958, 1205937, 2411874, 3617811, 7235622, 10853433, 21706866]

約数ペア:

[(1, 21706866), (2, 10853433), (3, 7235622), (6, 3617811), (9, 2411874), (18, 1205937), (27, 803958), (54, 401979), (81, 267986), (162, 133993)]