21161829

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1931}}^1$

素因数の和:2228

約数の個数: 16

約数和(自身を含む): 30510144

約数和(自身を除く): 9348315

約数列:

[1, 3, 13, 39, 281, 843, 1931, 3653, 5793, 10959, 25103, 75309, 542611, 1627833, 7053943, 21161829]

約数ペア:

[(1, 21161829), (3, 7053943), (13, 1627833), (39, 542611), (281, 75309), (843, 25103), (1931, 10959), (3653, 5793)]