21769319

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 27095040

約数和(自身を除く): 5325721

約数列:

[1, 11, 13, 41, 47, 79, 143, 451, 517, 533, 611, 869, 1027, 1927, 3239, 3713, 5863, 6721, 11297, 21197, 25051, 35629, 40843, 42107, 48269, 152233, 275561, 463177, 530959, 1674563, 1979029, 21769319]

約数ペア:

[(1, 21769319), (11, 1979029), (13, 1674563), (41, 530959), (47, 463177), (79, 275561), (143, 152233), (451, 48269), (517, 42107), (533, 40843), (611, 35629), (869, 25051), (1027, 21197), (1927, 11297), (3239, 6721), (3713, 5863)]