21173008

素因数分解:

$2^4\times {\mathrm{907}}^1\times {\mathrm{1459}}^1$

素因数の和:2374

約数の個数: 20

約数和(自身を含む): 41096080

約数和(自身を除く): 19923072

約数列:

[1, 2, 4, 8, 16, 907, 1459, 1814, 2918, 3628, 5836, 7256, 11672, 14512, 23344, 1323313, 2646626, 5293252, 10586504, 21173008]

約数ペア:

[(1, 21173008), (2, 10586504), (4, 5293252), (8, 2646626), (16, 1323313), (907, 23344), (1459, 14512), (1814, 11672), (2918, 7256), (3628, 5836)]