21130026

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 43244928

約数和(自身を除く): 22114902

約数列:

[1, 2, 3, 6, 71, 142, 193, 213, 257, 386, 426, 514, 579, 771, 1158, 1542, 13703, 18247, 27406, 36494, 41109, 49601, 54741, 82218, 99202, 109482, 148803, 297606, 3521671, 7043342, 10565013, 21130026]

約数ペア:

[(1, 21130026), (2, 10565013), (3, 7043342), (6, 3521671), (71, 297606), (142, 148803), (193, 109482), (213, 99202), (257, 82218), (386, 54741), (426, 49601), (514, 41109), (579, 36494), (771, 27406), (1158, 18247), (1542, 13703)]