21139682

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3631}}^1$

素因数の和:3745

約数の個数: 16

約数和(自身を含む): 32949504

約数和(自身を除く): 11809822

約数列:

[1, 2, 41, 71, 82, 142, 2911, 3631, 5822, 7262, 148871, 257801, 297742, 515602, 10569841, 21139682]

約数ペア:

[(1, 21139682), (2, 10569841), (41, 515602), (71, 297742), (82, 257801), (142, 148871), (2911, 7262), (3631, 5822)]