2021103007

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1\times {\mathrm{1103}}^1$

素因数の和:1623

約数の個数: 32

約数和(自身を含む): 2575411200

約数和(自身を除く): 554308193

約数列:

[1, 7, 11, 53, 77, 371, 449, 583, 1103, 3143, 4081, 4939, 7721, 12133, 23797, 34573, 58459, 84931, 166579, 261767, 409213, 495247, 643049, 1832369, 3466729, 4501343, 5447717, 26248091, 38134019, 183736637, 288729001, 2021103007]

約数ペア:

[(1, 2021103007), (7, 288729001), (11, 183736637), (53, 38134019), (77, 26248091), (371, 5447717), (449, 4501343), (583, 3466729), (1103, 1832369), (3143, 643049), (4081, 495247), (4939, 409213), (7721, 261767), (12133, 166579), (23797, 84931), (34573, 58459)]