21806022

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2609}}^1$

素因数の和:2820

約数の個数: 32

約数和(自身を含む): 50112000

約数和(自身を除く): 28305978

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 199, 398, 597, 1194, 1393, 2609, 2786, 4179, 5218, 7827, 8358, 15654, 18263, 36526, 54789, 109578, 519191, 1038382, 1557573, 3115146, 3634337, 7268674, 10903011, 21806022]

約数ペア:

[(1, 21806022), (2, 10903011), (3, 7268674), (6, 3634337), (7, 3115146), (14, 1557573), (21, 1038382), (42, 519191), (199, 109578), (398, 54789), (597, 36526), (1194, 18263), (1393, 15654), (2609, 8358), (2786, 7827), (4179, 5218)]