21000228186

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1553}}^1\times {\mathrm{321961}}^1$

素因数の和:323526

約数の個数: 32

約数和(自身を含む): 48031579008

約数和(自身を除く): 27031350822

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1553, 3106, 4659, 9318, 10871, 21742, 32613, 65226, 321961, 643922, 965883, 1931766, 2253727, 4507454, 6761181, 13522362, 500005433, 1000010866, 1500016299, 3000032598, 3500038031, 7000076062, 10500114093, 21000228186]

約数ペア:

[(1, 21000228186), (2, 10500114093), (3, 7000076062), (6, 3500038031), (7, 3000032598), (14, 1500016299), (21, 1000010866), (42, 500005433), (1553, 13522362), (3106, 6761181), (4659, 4507454), (9318, 2253727), (10871, 1931766), (21742, 965883), (32613, 643922), (65226, 321961)]