21460340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97547}}^1$

素因数の和:97567

約数の個数: 24

約数和(自身を含む): 49164192

約数和(自身を除く): 27703852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 97547, 195094, 390188, 487735, 975470, 1073017, 1950940, 2146034, 4292068, 5365085, 10730170, 21460340]

約数ペア:

[(1, 21460340), (2, 10730170), (4, 5365085), (5, 4292068), (10, 2146034), (11, 1950940), (20, 1073017), (22, 975470), (44, 487735), (55, 390188), (110, 195094), (220, 97547)]