21440793

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{9151}}^1$

素因数の和:9236

約数の個数: 16

約数和(自身を含む): 31629312

約数和(自身を除く): 10188519

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 9151, 27453, 100661, 301983, 649721, 1949163, 7146931, 21440793]

約数ペア:

[(1, 21440793), (3, 7146931), (11, 1949163), (33, 649721), (71, 301983), (213, 100661), (781, 27453), (2343, 9151)]