21464048

素因数分解:

$2^4\times {\mathrm{269}}^1\times {\mathrm{4987}}^1$

素因数の和:5264

約数の個数: 20

約数和(自身を含む): 41749560

約数和(自身を除く): 20285512

約数列:

[1, 2, 4, 8, 16, 269, 538, 1076, 2152, 4304, 4987, 9974, 19948, 39896, 79792, 1341503, 2683006, 5366012, 10732024, 21464048]

約数ペア:

[(1, 21464048), (2, 10732024), (4, 5366012), (8, 2683006), (16, 1341503), (269, 79792), (538, 39896), (1076, 19948), (2152, 9974), (4304, 4987)]