21493866

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{20707}}^1$

素因数の和:20885

約数の個数: 16

約数和(自身を含む): 43238304

約数和(自身を除く): 21744438

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 20707, 41414, 62121, 124242, 3582311, 7164622, 10746933, 21493866]

約数ペア:

[(1, 21493866), (2, 10746933), (3, 7164622), (6, 3582311), (173, 124242), (346, 62121), (519, 41414), (1038, 20707)]