21584296

素因数分解:

$2^3\times {\mathrm{1259}}^1\times {\mathrm{2143}}^1$

素因数の和:3408

約数の個数: 16

約数和(自身を含む): 40521600

約数和(自身を除く): 18937304

約数列:

[1, 2, 4, 8, 1259, 2143, 2518, 4286, 5036, 8572, 10072, 17144, 2698037, 5396074, 10792148, 21584296]

約数ペア:

[(1, 21584296), (2, 10792148), (4, 5396074), (8, 2698037), (1259, 17144), (2143, 10072), (2518, 8572), (4286, 5036)]