2021109867

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{289019}}^1$

素因数の和:289072

約数の個数: 32

約数和(自身を含む): 3514483200

約数和(自身を除く): 1493373333

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 6993, 289019, 867057, 2023133, 2601171, 6069399, 7803513, 10693703, 18208197, 32081109, 54624591, 74855921, 96243327, 224567763, 288729981, 673703289, 2021109867]

約数ペア:

[(1, 2021109867), (3, 673703289), (7, 288729981), (9, 224567763), (21, 96243327), (27, 74855921), (37, 54624591), (63, 32081109), (111, 18208197), (189, 10693703), (259, 7803513), (333, 6069399), (777, 2601171), (999, 2023133), (2331, 867057), (6993, 289019)]