21306952

素因数分解:

$2^3\times {\mathrm{269}}^1\times {\mathrm{9901}}^1$

素因数の和:10176

約数の個数: 16

約数和(自身を含む): 40103100

約数和(自身を除く): 18796148

約数列:

[1, 2, 4, 8, 269, 538, 1076, 2152, 9901, 19802, 39604, 79208, 2663369, 5326738, 10653476, 21306952]

約数ペア:

[(1, 21306952), (2, 10653476), (4, 5326738), (8, 2663369), (269, 79208), (538, 39604), (1076, 19802), (2152, 9901)]