21026642

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{8887}}^1$

素因数の和:8922

約数の個数: 24

約数和(自身を含む): 39036096

約数和(自身を除く): 18009454

約数列:

[1, 2, 7, 13, 14, 26, 91, 169, 182, 338, 1183, 2366, 8887, 17774, 62209, 115531, 124418, 231062, 808717, 1501903, 1617434, 3003806, 10513321, 21026642]

約数ペア:

[(1, 21026642), (2, 10513321), (7, 3003806), (13, 1617434), (14, 1501903), (26, 808717), (91, 231062), (169, 124418), (182, 115531), (338, 62209), (1183, 17774), (2366, 8887)]