21000223220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22340663}}^1$

素因数の和:22340719

約数の個数: 24

約数和(自身を含む): 45038778624

約数和(自身を除く): 24038555404

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 22340663, 44681326, 89362652, 111703315, 223406630, 446813260, 1050011161, 2100022322, 4200044644, 5250055805, 10500111610, 21000223220]

約数ペア:

[(1, 21000223220), (2, 10500111610), (4, 5250055805), (5, 4200044644), (10, 2100022322), (20, 1050011161), (47, 446813260), (94, 223406630), (188, 111703315), (235, 89362652), (470, 44681326), (940, 22340663)]