21855516

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{13903}}^1$

素因数の和:14041

約数の個数: 24

約数和(自身を含む): 51389184

約数和(自身を除く): 29533668

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 13903, 27806, 41709, 55612, 83418, 166836, 1821293, 3642586, 5463879, 7285172, 10927758, 21855516]

約数ペア:

[(1, 21855516), (2, 10927758), (3, 7285172), (4, 5463879), (6, 3642586), (12, 1821293), (131, 166836), (262, 83418), (393, 55612), (524, 41709), (786, 27806), (1572, 13903)]