21528824

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{141637}}^1$

素因数の和:141662

約数の個数: 16

約数和(自身を含む): 42491400

約数和(自身を除く): 20962576

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 141637, 283274, 566548, 1133096, 2691103, 5382206, 10764412, 21528824]

約数ペア:

[(1, 21528824), (2, 10764412), (4, 5382206), (8, 2691103), (19, 1133096), (38, 566548), (76, 283274), (152, 141637)]