21119956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36923}}^1$

素因数の和:36951

約数の個数: 24

約数和(自身を含む): 43422624

約数和(自身を除く): 22302668

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36923, 73846, 147692, 406153, 479999, 812306, 959998, 1624612, 1919996, 5279989, 10559978, 21119956]

約数ペア:

[(1, 21119956), (2, 10559978), (4, 5279989), (11, 1919996), (13, 1624612), (22, 959998), (26, 812306), (44, 479999), (52, 406153), (143, 147692), (286, 73846), (572, 36923)]