21492368

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{18401}}^1$

素因数の和:18482

約数の個数: 20

約数和(自身を含む): 42214188

約数和(自身を除く): 20721820

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 18401, 36802, 73604, 147208, 294416, 1343273, 2686546, 5373092, 10746184, 21492368]

約数ペア:

[(1, 21492368), (2, 10746184), (4, 5373092), (8, 2686546), (16, 1343273), (73, 294416), (146, 147208), (292, 73604), (584, 36802), (1168, 18401)]