21234543

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 32666112

約数和(自身を除く): 11431569

約数列:

[1, 3, 11, 23, 33, 69, 101, 253, 277, 303, 759, 831, 1111, 2323, 3047, 3333, 6371, 6969, 9141, 19113, 25553, 27977, 70081, 76659, 83931, 210243, 307747, 643471, 923241, 1930413, 7078181, 21234543]

約数ペア:

[(1, 21234543), (3, 7078181), (11, 1930413), (23, 923241), (33, 643471), (69, 307747), (101, 210243), (253, 83931), (277, 76659), (303, 70081), (759, 27977), (831, 25553), (1111, 19113), (2323, 9141), (3047, 6969), (3333, 6371)]