21228050

素因数分解:

$2^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{3343}}^1$

素因数の和:3482

約数の個数: 24

約数和(自身を含む): 39806976

約数和(自身を除く): 18578926

約数列:

[1, 2, 5, 10, 25, 50, 127, 254, 635, 1270, 3175, 3343, 6350, 6686, 16715, 33430, 83575, 167150, 424561, 849122, 2122805, 4245610, 10614025, 21228050]

約数ペア:

[(1, 21228050), (2, 10614025), (5, 4245610), (10, 2122805), (25, 849122), (50, 424561), (127, 167150), (254, 83575), (635, 33430), (1270, 16715), (3175, 6686), (3343, 6350)]