21446864

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{15061}}^1$

素因数の和:15158

約数の個数: 20

約数和(自身を含む): 42022980

約数和(自身を除く): 20576116

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 15061, 30122, 60244, 120488, 240976, 1340429, 2680858, 5361716, 10723432, 21446864]

約数ペア:

[(1, 21446864), (2, 10723432), (4, 5361716), (8, 2680858), (16, 1340429), (89, 240976), (178, 120488), (356, 60244), (712, 30122), (1424, 15061)]