21979962

素因数分解:

$2^1\times 3^2\times {\mathrm{263}}^1\times {\mathrm{4643}}^1$

素因数の和:4914

約数の個数: 24

約数和(自身を含む): 47814624

約数和(自身を除く): 25834662

約数列:

[1, 2, 3, 6, 9, 18, 263, 526, 789, 1578, 2367, 4643, 4734, 9286, 13929, 27858, 41787, 83574, 1221109, 2442218, 3663327, 7326654, 10989981, 21979962]

約数ペア:

[(1, 21979962), (2, 10989981), (3, 7326654), (6, 3663327), (9, 2442218), (18, 1221109), (263, 83574), (526, 41787), (789, 27858), (1578, 13929), (2367, 9286), (4643, 4734)]