21000657704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1999301}}^1$

素因数の和:1999421

約数の個数: 32

約数和(自身を含む): 42825048840

約数和(自身を除く): 21824391136

約数列:

[1, 2, 4, 8, 13, 26, 52, 101, 104, 202, 404, 808, 1313, 2626, 5252, 10504, 1999301, 3998602, 7997204, 15994408, 25990913, 51981826, 103963652, 201929401, 207927304, 403858802, 807717604, 1615435208, 2625082213, 5250164426, 10500328852, 21000657704]

約数ペア:

[(1, 21000657704), (2, 10500328852), (4, 5250164426), (8, 2625082213), (13, 1615435208), (26, 807717604), (52, 403858802), (101, 207927304), (104, 201929401), (202, 103963652), (404, 51981826), (808, 25990913), (1313, 15994408), (2626, 7997204), (5252, 3998602), (10504, 1999301)]