21449888

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{16349}}^1$

素因数の和:16400

約数の個数: 24

約数和(自身を含む): 43262100

約数和(自身を除く): 21812212

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 16349, 32698, 65396, 130792, 261584, 523168, 670309, 1340618, 2681236, 5362472, 10724944, 21449888]

約数ペア:

[(1, 21449888), (2, 10724944), (4, 5362472), (8, 2681236), (16, 1340618), (32, 670309), (41, 523168), (82, 261584), (164, 130792), (328, 65396), (656, 32698), (1312, 16349)]