21604022

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13831}}^1$

素因数の和:13915

約数の個数: 16

約数和(自身を含む): 35852544

約数和(自身を除く): 14248522

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13831, 27662, 152141, 304282, 982001, 1964002, 10802011, 21604022]

約数ペア:

[(1, 21604022), (2, 10802011), (11, 1964002), (22, 982001), (71, 304282), (142, 152141), (781, 27662), (1562, 13831)]