21490742

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{118081}}^1$

素因数の和:118103

約数の個数: 16

約数和(自身を含む): 39675552

約数和(自身を除く): 18184810

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 118081, 236162, 826567, 1535053, 1653134, 3070106, 10745371, 21490742]

約数ペア:

[(1, 21490742), (2, 10745371), (7, 3070106), (13, 1653134), (14, 1535053), (26, 826567), (91, 236162), (182, 118081)]