21747484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2857}}^1$

素因数の和:3045

約数の個数: 24

約数和(自身を含む): 41772528

約数和(自身を除く): 20025044

約数列:

[1, 2, 4, 11, 22, 44, 173, 346, 692, 1903, 2857, 3806, 5714, 7612, 11428, 31427, 62854, 125708, 494261, 988522, 1977044, 5436871, 10873742, 21747484]

約数ペア:

[(1, 21747484), (2, 10873742), (4, 5436871), (11, 1977044), (22, 988522), (44, 494261), (173, 125708), (346, 62854), (692, 31427), (1903, 11428), (2857, 7612), (3806, 5714)]