21854872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{210143}}^1$

素因数の和:210162

約数の個数: 16

約数和(自身を含む): 44130240

約数和(自身を除く): 22275368

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 210143, 420286, 840572, 1681144, 2731859, 5463718, 10927436, 21854872]

約数ペア:

[(1, 21854872), (2, 10927436), (4, 5463718), (8, 2731859), (13, 1681144), (26, 840572), (52, 420286), (104, 210143)]