21288550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{22409}}^1$

素因数の和:22440

約数の個数: 24

約数和(自身を含む): 41682600

約数和(自身を除く): 20394050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 22409, 44818, 112045, 224090, 425771, 560225, 851542, 1120450, 2128855, 4257710, 10644275, 21288550]

約数ペア:

[(1, 21288550), (2, 10644275), (5, 4257710), (10, 2128855), (19, 1120450), (25, 851542), (38, 560225), (50, 425771), (95, 224090), (190, 112045), (475, 44818), (950, 22409)]