21618480.000000000

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{138407}}^1$

素因数の和:138585

約数の個数: 16

約数和(自身を含む): 288995904

約数和(自身を除く): 145329438

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 138407, 276814, 415221, 830442, 23944411, 47888822, 71833233, 143666466]

約数ペア:

[(1, 143666466), (2, 71833233), (3, 47888822), (6, 23944411), (173, 830442), (346, 415221), (519, 276814), (1038, 138407)]