21961456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{124781}}^1$

素因数の和:124800

約数の個数: 20

約数和(自身を含む): 46418904

約数和(自身を除く): 24457448

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 124781, 249562, 499124, 998248, 1372591, 1996496, 2745182, 5490364, 10980728, 21961456]

約数ペア:

[(1, 21961456), (2, 10980728), (4, 5490364), (8, 2745182), (11, 1996496), (16, 1372591), (22, 998248), (44, 499124), (88, 249562), (176, 124781)]