21063775089

素因数分解:

$3^1\times 7^3\times {\mathrm{20470141}}^1$

素因数の和:20470165

約数の個数: 16

約数和(自身を含む): 32752227200

約数和(自身を除く): 11688452111

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 20470141, 61410423, 143290987, 429872961, 1003036909, 3009110727, 7021258363, 21063775089]

約数ペア:

[(1, 21063775089), (3, 7021258363), (7, 3009110727), (21, 1003036909), (49, 429872961), (147, 143290987), (343, 61410423), (1029, 20470141)]