21294098

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 40966080

約数和(自身を除く): 19671982

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 277, 289, 323, 554, 578, 646, 1939, 2023, 2261, 3878, 4046, 4522, 4709, 5263, 5491, 9418, 10526, 10982, 32963, 36841, 38437, 65926, 73682, 76874, 80053, 89471, 160106, 178942, 560371, 626297, 1120742, 1252594, 1521007, 3042014, 10647049, 21294098]

約数ペア:

[(1, 21294098), (2, 10647049), (7, 3042014), (14, 1521007), (17, 1252594), (19, 1120742), (34, 626297), (38, 560371), (119, 178942), (133, 160106), (238, 89471), (266, 80053), (277, 76874), (289, 73682), (323, 65926), (554, 38437), (578, 36841), (646, 32963), (1939, 10982), (2023, 10526), (2261, 9418), (3878, 5491), (4046, 5263), (4522, 4709)]