21180063

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{1777}}^1$

素因数の和:1946

約数の個数: 16

約数和(自身を含む): 29443680

約数和(自身を除く): 8263617

約数列:

[1, 3, 29, 87, 137, 411, 1777, 3973, 5331, 11919, 51533, 154599, 243449, 730347, 7060021, 21180063]

約数ペア:

[(1, 21180063), (3, 7060021), (29, 730347), (87, 243449), (137, 154599), (411, 51533), (1777, 11919), (3973, 5331)]