2169776721

素因数分解:

$3^1\times 7^1\times {\mathrm{4793}}^1\times {\mathrm{21557}}^1$

素因数の和:26360

約数の個数: 16

約数和(自身を含む): 3307169664

約数和(自身を除く): 1137392943

約数列:

[1, 3, 7, 21, 4793, 14379, 21557, 33551, 64671, 100653, 150899, 452697, 103322701, 309968103, 723258907, 2169776721]

約数ペア:

[(1, 2169776721), (3, 723258907), (7, 309968103), (21, 103322701), (4793, 452697), (14379, 150899), (21557, 100653), (33551, 64671)]