21230608

素因数分解:

$2^4\times 7^1\times {\mathrm{189559}}^1$

素因数の和:189574

約数の個数: 20

約数和(自身を含む): 47010880

約数和(自身を除く): 25780272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 189559, 379118, 758236, 1326913, 1516472, 2653826, 3032944, 5307652, 10615304, 21230608]

約数ペア:

[(1, 21230608), (2, 10615304), (4, 5307652), (7, 3032944), (8, 2653826), (14, 1516472), (16, 1326913), (28, 758236), (56, 379118), (112, 189559)]