2021610717

素因数分解:

$3^4\times 7^1\times {\mathrm{3565451}}^1$

素因数の和:3565470

約数の個数: 20

約数和(自身を含む): 3451357536

約数和(自身を除く): 1429746819

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3565451, 10696353, 24958157, 32089059, 74874471, 96267177, 224623413, 288801531, 673870239, 2021610717]

約数ペア:

[(1, 2021610717), (3, 673870239), (7, 288801531), (9, 224623413), (21, 96267177), (27, 74874471), (63, 32089059), (81, 24958157), (189, 10696353), (567, 3565451)]