21961808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{124783}}^1$

素因数の和:124802

約数の個数: 20

約数和(自身を含む): 46419648

約数和(自身を除く): 24457840

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 124783, 249566, 499132, 998264, 1372613, 1996528, 2745226, 5490452, 10980904, 21961808]

約数ペア:

[(1, 21961808), (2, 10980904), (4, 5490452), (8, 2745226), (11, 1996528), (16, 1372613), (22, 998264), (44, 499132), (88, 249566), (176, 124783)]