21049367087

素因数分解:

$7^1\times {\mathrm{283}}^1\times {\mathrm{1217}}^1\times {\mathrm{8731}}^1$

素因数の和:10238

約数の個数: 16

約数和(自身を含む): 24164028672

約数和(自身を除く): 3114661585

約数列:

[1, 7, 283, 1217, 1981, 8519, 8731, 61117, 344411, 2410877, 2470873, 10625627, 17296111, 74379389, 3007052441, 21049367087]

約数ペア:

[(1, 21049367087), (7, 3007052441), (283, 74379389), (1217, 17296111), (1981, 10625627), (8519, 2470873), (8731, 2410877), (61117, 344411)]