21080137

素因数分解:

${\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:412

約数の個数: 16

約数和(自身を含む): 23351440

約数和(自身を除く): 2271303

約数列:

[1, 13, 73, 97, 229, 949, 1261, 2977, 7081, 16717, 22213, 92053, 217321, 288769, 1621549, 21080137]

約数ペア:

[(1, 21080137), (13, 1621549), (73, 288769), (97, 217321), (229, 92053), (949, 22213), (1261, 16717), (2977, 7081)]