21043542

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{20753}}^1$

素因数の和:20784

約数の個数: 24

約数和(自身を含む): 45575784

約数和(自身を除く): 24532242

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 20753, 41506, 62259, 124518, 269789, 539578, 809367, 1618734, 3507257, 7014514, 10521771, 21043542]

約数ペア:

[(1, 21043542), (2, 10521771), (3, 7014514), (6, 3507257), (13, 1618734), (26, 809367), (39, 539578), (78, 269789), (169, 124518), (338, 62259), (507, 41506), (1014, 20753)]