21755574

素因数分解:

$2^1\times 3^3\times {\mathrm{402881}}^1$

素因数の和:402892

約数の個数: 16

約数和(自身を含む): 48345840

約数和(自身を除く): 26590266

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 402881, 805762, 1208643, 2417286, 3625929, 7251858, 10877787, 21755574]

約数ペア:

[(1, 21755574), (2, 10877787), (3, 7251858), (6, 3625929), (9, 2417286), (18, 1208643), (27, 805762), (54, 402881)]