21261400

素因数分解:

$2^3\times 5^2\times {\mathrm{106307}}^1$

素因数の和:106323

約数の個数: 24

約数和(自身を含む): 49433220

約数和(自身を除く): 28171820

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 106307, 212614, 425228, 531535, 850456, 1063070, 2126140, 2657675, 4252280, 5315350, 10630700, 21261400]

約数ペア:

[(1, 21261400), (2, 10630700), (4, 5315350), (5, 4252280), (8, 2657675), (10, 2126140), (20, 1063070), (25, 850456), (40, 531535), (50, 425228), (100, 212614), (200, 106307)]