21828952

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{160507}}^1$

素因数の和:160530

約数の個数: 16

約数和(自身を含む): 43337160

約数和(自身を除く): 21508208

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 160507, 321014, 642028, 1284056, 2728619, 5457238, 10914476, 21828952]

約数ペア:

[(1, 21828952), (2, 10914476), (4, 5457238), (8, 2728619), (17, 1284056), (34, 642028), (68, 321014), (136, 160507)]