21938296

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1663}}^1$

素因数の和:1783

約数の個数: 32

約数和(自身を含む): 44029440

約数和(自身を除く): 22091144

約数列:

[1, 2, 4, 8, 17, 34, 68, 97, 136, 194, 388, 776, 1649, 1663, 3298, 3326, 6596, 6652, 13192, 13304, 28271, 56542, 113084, 161311, 226168, 322622, 645244, 1290488, 2742287, 5484574, 10969148, 21938296]

約数ペア:

[(1, 21938296), (2, 10969148), (4, 5484574), (8, 2742287), (17, 1290488), (34, 645244), (68, 322622), (97, 226168), (136, 161311), (194, 113084), (388, 56542), (776, 28271), (1649, 13304), (1663, 13192), (3298, 6652), (3326, 6596)]