21062404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2767}}^1$

素因数の和:2955

約数の個数: 24

約数和(自身を含む): 40457088

約数和(自身を除く): 19394684

約数列:

[1, 2, 4, 11, 22, 44, 173, 346, 692, 1903, 2767, 3806, 5534, 7612, 11068, 30437, 60874, 121748, 478691, 957382, 1914764, 5265601, 10531202, 21062404]

約数ペア:

[(1, 21062404), (2, 10531202), (4, 5265601), (11, 1914764), (22, 957382), (44, 478691), (173, 121748), (346, 60874), (692, 30437), (1903, 11068), (2767, 7612), (3806, 5534)]