21557032

素因数分解:

$2^3\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1103}}^1$

素因数の和:1465

約数の個数: 32

約数和(自身を含む): 46368000

約数和(自身を除く): 24810968

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 349, 698, 1103, 1396, 2206, 2443, 2792, 4412, 4886, 7721, 8824, 9772, 15442, 19544, 30884, 61768, 384947, 769894, 1539788, 2694629, 3079576, 5389258, 10778516, 21557032]

約数ペア:

[(1, 21557032), (2, 10778516), (4, 5389258), (7, 3079576), (8, 2694629), (14, 1539788), (28, 769894), (56, 384947), (349, 61768), (698, 30884), (1103, 19544), (1396, 15442), (2206, 9772), (2443, 8824), (2792, 7721), (4412, 4886)]