21097500844

素因数分解:

$2^2\times 7^1\times {\mathrm{753482173}}^1$

素因数の和:753482184

約数の個数: 12

約数和(自身を含む): 42195001744

約数和(自身を除く): 21097500900

約数列:

[1, 2, 4, 7, 14, 28, 753482173, 1506964346, 3013928692, 5274375211, 10548750422, 21097500844]

約数ペア:

[(1, 21097500844), (2, 10548750422), (4, 5274375211), (7, 3013928692), (14, 1506964346), (28, 753482173)]