21167466488

素因数分解:

$2^3\times 7^2\times {\mathrm{97}}^1\times {\mathrm{556687}}^1$

素因数の和:556804

約数の個数: 48

約数和(自身を含む): 46644887520

約数和(自身を除く): 25477421032

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 97, 98, 194, 196, 388, 392, 679, 776, 1358, 2716, 4753, 5432, 9506, 19012, 38024, 556687, 1113374, 2226748, 3896809, 4453496, 7793618, 15587236, 27277663, 31174472, 53998639, 54555326, 107997278, 109110652, 215994556, 218221304, 377990473, 431989112, 755980946, 1511961892, 2645933311, 3023923784, 5291866622, 10583733244, 21167466488]

約数ペア:

[(1, 21167466488), (2, 10583733244), (4, 5291866622), (7, 3023923784), (8, 2645933311), (14, 1511961892), (28, 755980946), (49, 431989112), (56, 377990473), (97, 218221304), (98, 215994556), (194, 109110652), (196, 107997278), (388, 54555326), (392, 53998639), (679, 31174472), (776, 27277663), (1358, 15587236), (2716, 7793618), (4753, 4453496), (5432, 3896809), (9506, 2226748), (19012, 1113374), (38024, 556687)]