21059248

素因数分解:

$2^4\times 7^1\times {\mathrm{188029}}^1$

素因数の和:188044

約数の個数: 20

約数和(自身を含む): 46631440

約数和(自身を除く): 25572192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 188029, 376058, 752116, 1316203, 1504232, 2632406, 3008464, 5264812, 10529624, 21059248]

約数ペア:

[(1, 21059248), (2, 10529624), (4, 5264812), (7, 3008464), (8, 2632406), (14, 1504232), (16, 1316203), (28, 752116), (56, 376058), (112, 188029)]