21000435478

素因数分解:

$2^1\times {\mathrm{11}}^4\times {\mathrm{17}}^1\times {\mathrm{42187}}^1$

素因数の和:42250

約数の個数: 40

約数和(自身を含む): 36689637960

約数和(自身を除く): 15689202482

約数列:

[1, 2, 11, 17, 22, 34, 121, 187, 242, 374, 1331, 2057, 2662, 4114, 14641, 22627, 29282, 42187, 45254, 84374, 248897, 464057, 497794, 717179, 928114, 1434358, 5104627, 7888969, 10209254, 15777938, 56150897, 86778659, 112301794, 173557318, 617659867, 954565249, 1235319734, 1909130498, 10500217739, 21000435478]

約数ペア:

[(1, 21000435478), (2, 10500217739), (11, 1909130498), (17, 1235319734), (22, 954565249), (34, 617659867), (121, 173557318), (187, 112301794), (242, 86778659), (374, 56150897), (1331, 15777938), (2057, 10209254), (2662, 7888969), (4114, 5104627), (14641, 1434358), (22627, 928114), (29282, 717179), (42187, 497794), (45254, 464057), (84374, 248897)]