21879126

素因数分解:

$2^1\times 3^3\times {\mathrm{97}}^1\times {\mathrm{4177}}^1$

素因数の和:4285

約数の個数: 32

約数和(自身を含む): 49133280

約数和(自身を除く): 27254154

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 97, 194, 291, 582, 873, 1746, 2619, 4177, 5238, 8354, 12531, 25062, 37593, 75186, 112779, 225558, 405169, 810338, 1215507, 2431014, 3646521, 7293042, 10939563, 21879126]

約数ペア:

[(1, 21879126), (2, 10939563), (3, 7293042), (6, 3646521), (9, 2431014), (18, 1215507), (27, 810338), (54, 405169), (97, 225558), (194, 112779), (291, 75186), (582, 37593), (873, 25062), (1746, 12531), (2619, 8354), (4177, 5238)]