21877798

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{3583}}^1$

素因数の和:3699

約数の個数: 16

約数和(自身を含む): 34062336

約数和(自身を除く): 12184538

約数列:

[1, 2, 43, 71, 86, 142, 3053, 3583, 6106, 7166, 154069, 254393, 308138, 508786, 10938899, 21877798]

約数ペア:

[(1, 21877798), (2, 10938899), (43, 508786), (71, 308138), (86, 254393), (142, 154069), (3053, 7166), (3583, 6106)]