21136973216

素因数分解:

$2^5\times {\mathrm{1667}}^1\times {\mathrm{396239}}^1$

素因数の和:397916

約数の個数: 24

約数和(自身を含む): 41638484160

約数和(自身を除く): 20501510944

約数列:

[1, 2, 4, 8, 16, 32, 1667, 3334, 6668, 13336, 26672, 53344, 396239, 792478, 1584956, 3169912, 6339824, 12679648, 660530413, 1321060826, 2642121652, 5284243304, 10568486608, 21136973216]

約数ペア:

[(1, 21136973216), (2, 10568486608), (4, 5284243304), (8, 2642121652), (16, 1321060826), (32, 660530413), (1667, 12679648), (3334, 6339824), (6668, 3169912), (13336, 1584956), (26672, 792478), (53344, 396239)]