21873776

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{2113}}^1$

素因数の和:2768

約数の個数: 20

約数和(自身を含む): 42466032

約数和(自身を除く): 20592256

約数列:

[1, 2, 4, 8, 16, 647, 1294, 2113, 2588, 4226, 5176, 8452, 10352, 16904, 33808, 1367111, 2734222, 5468444, 10936888, 21873776]

約数ペア:

[(1, 21873776), (2, 10936888), (4, 5468444), (8, 2734222), (16, 1367111), (647, 33808), (1294, 16904), (2113, 10352), (2588, 8452), (4226, 5176)]