21194481

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 37452800

約数和(自身を除く): 16258319

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 121, 133, 209, 231, 363, 399, 439, 627, 847, 1317, 1463, 2299, 2541, 3073, 4389, 4829, 6897, 8341, 9219, 14487, 16093, 25023, 33803, 48279, 53119, 58387, 91751, 101409, 159357, 175161, 275253, 371833, 642257, 1009261, 1115499, 1926771, 3027783, 7064827, 21194481]

約数ペア:

[(1, 21194481), (3, 7064827), (7, 3027783), (11, 1926771), (19, 1115499), (21, 1009261), (33, 642257), (57, 371833), (77, 275253), (121, 175161), (133, 159357), (209, 101409), (231, 91751), (363, 58387), (399, 53119), (439, 48279), (627, 33803), (847, 25023), (1317, 16093), (1463, 14487), (2299, 9219), (2541, 8341), (3073, 6897), (4389, 4829)]