21064077

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{10687}}^1$

素因数の和:10769

約数の個数: 16

約数和(自身を含む): 31636480

約数和(自身を除く): 10572403

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 10687, 32061, 96183, 288549, 780151, 2340453, 7021359, 21064077]

約数ペア:

[(1, 21064077), (3, 7021359), (9, 2340453), (27, 780151), (73, 288549), (219, 96183), (657, 32061), (1971, 10687)]