21443912

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16649}}^1$

素因数の和:16685

約数の個数: 32

約数和(自身を含む): 47952000

約数和(自身を除く): 26508088

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16649, 33298, 66596, 116543, 133192, 233086, 382927, 466172, 765854, 932344, 1531708, 2680489, 3063416, 5360978, 10721956, 21443912]

約数ペア:

[(1, 21443912), (2, 10721956), (4, 5360978), (7, 3063416), (8, 2680489), (14, 1531708), (23, 932344), (28, 765854), (46, 466172), (56, 382927), (92, 233086), (161, 133192), (184, 116543), (322, 66596), (644, 33298), (1288, 16649)]