21087783145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{797119}}^1$

素因数の和:797185

約数の個数: 32

約数和(自身を含む): 30532884480

約数和(自身を除く): 9445101335

約数列:

[1, 5, 11, 13, 37, 55, 65, 143, 185, 407, 481, 715, 2035, 2405, 5291, 26455, 797119, 3985595, 8768309, 10362547, 29493403, 43841545, 51812735, 113988017, 147467015, 324427433, 383414239, 569940085, 1622137165, 1917071195, 4217556629, 21087783145]

約数ペア:

[(1, 21087783145), (5, 4217556629), (11, 1917071195), (13, 1622137165), (37, 569940085), (55, 383414239), (65, 324427433), (143, 147467015), (185, 113988017), (407, 51812735), (481, 43841545), (715, 29493403), (2035, 10362547), (2405, 8768309), (5291, 3985595), (26455, 797119)]