21046750

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{2903}}^1$

素因数の和:2949

約数の個数: 32

約数和(自身を含む): 40772160

約数和(自身を除く): 19725410

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 145, 250, 290, 725, 1450, 2903, 3625, 5806, 7250, 14515, 29030, 72575, 84187, 145150, 168374, 362875, 420935, 725750, 841870, 2104675, 4209350, 10523375, 21046750]

約数ペア:

[(1, 21046750), (2, 10523375), (5, 4209350), (10, 2104675), (25, 841870), (29, 725750), (50, 420935), (58, 362875), (125, 168374), (145, 145150), (250, 84187), (290, 72575), (725, 29030), (1450, 14515), (2903, 7250), (3625, 5806)]