21015596

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39503}}^1$

素因数の和:39533

約数の個数: 24

約数和(自身を含む): 44244480

約数和(自身を除く): 23228884

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39503, 79006, 158012, 276521, 553042, 750557, 1106084, 1501114, 3002228, 5253899, 10507798, 21015596]

約数ペア:

[(1, 21015596), (2, 10507798), (4, 5253899), (7, 3002228), (14, 1501114), (19, 1106084), (28, 750557), (38, 553042), (76, 276521), (133, 158012), (266, 79006), (532, 39503)]