21331938

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{20551}}^1$

素因数の和:20729

約数の個数: 16

約数和(自身を含む): 42912576

約数和(自身を除く): 21580638

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 20551, 41102, 61653, 123306, 3555323, 7110646, 10665969, 21331938]

約数ペア:

[(1, 21331938), (2, 10665969), (3, 7110646), (6, 3555323), (173, 123306), (346, 61653), (519, 41102), (1038, 20551)]