21311350

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{22433}}^1$

素因数の和:22464

約数の個数: 24

約数和(自身を含む): 41727240

約数和(自身を除く): 20415890

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 22433, 44866, 112165, 224330, 426227, 560825, 852454, 1121650, 2131135, 4262270, 10655675, 21311350]

約数ペア:

[(1, 21311350), (2, 10655675), (5, 4262270), (10, 2131135), (19, 1121650), (25, 852454), (38, 560825), (50, 426227), (95, 224330), (190, 112165), (475, 44866), (950, 22433)]