21105534

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{206917}}^1$

素因数の和:206939

約数の個数: 16

約数和(自身を含む): 44694288

約数和(自身を除く): 23588754

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 206917, 413834, 620751, 1241502, 3517589, 7035178, 10552767, 21105534]

約数ペア:

[(1, 21105534), (2, 10552767), (3, 7035178), (6, 3517589), (17, 1241502), (34, 620751), (51, 413834), (102, 206917)]