21141288

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41947}}^1$

素因数の和:41966

約数の個数: 48

約数和(自身を含む): 65438880

約数和(自身を除く): 44297592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 41947, 83894, 125841, 167788, 251682, 293629, 335576, 377523, 503364, 587258, 755046, 880887, 1006728, 1174516, 1510092, 1761774, 2349032, 2642661, 3020184, 3523548, 5285322, 7047096, 10570644, 21141288]

約数ペア:

[(1, 21141288), (2, 10570644), (3, 7047096), (4, 5285322), (6, 3523548), (7, 3020184), (8, 2642661), (9, 2349032), (12, 1761774), (14, 1510092), (18, 1174516), (21, 1006728), (24, 880887), (28, 755046), (36, 587258), (42, 503364), (56, 377523), (63, 335576), (72, 293629), (84, 251682), (126, 167788), (168, 125841), (252, 83894), (504, 41947)]