21000895008

素因数分解:

$2^5\times 3^1\times {\mathrm{673}}^1\times {\mathrm{325051}}^1$

素因数の和:325737

約数の個数: 48

約数和(自身を含む): 55209432096

約数和(自身を除く): 34208537088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 673, 1346, 2019, 2692, 4038, 5384, 8076, 10768, 16152, 21536, 32304, 64608, 325051, 650102, 975153, 1300204, 1950306, 2600408, 3900612, 5200816, 7801224, 10401632, 15602448, 31204896, 218759323, 437518646, 656277969, 875037292, 1312555938, 1750074584, 2625111876, 3500149168, 5250223752, 7000298336, 10500447504, 21000895008]

約数ペア:

[(1, 21000895008), (2, 10500447504), (3, 7000298336), (4, 5250223752), (6, 3500149168), (8, 2625111876), (12, 1750074584), (16, 1312555938), (24, 875037292), (32, 656277969), (48, 437518646), (96, 218759323), (673, 31204896), (1346, 15602448), (2019, 10401632), (2692, 7801224), (4038, 5200816), (5384, 3900612), (8076, 2600408), (10768, 1950306), (16152, 1300204), (21536, 975153), (32304, 650102), (64608, 325051)]