21062889

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 11596311

約数列:

[1, 3, 9, 27, 41, 53, 123, 159, 359, 369, 477, 1077, 1107, 1431, 2173, 3231, 6519, 9693, 14719, 19027, 19557, 44157, 57081, 58671, 132471, 171243, 397413, 513729, 780107, 2340321, 7020963, 21062889]

約数ペア:

[(1, 21062889), (3, 7020963), (9, 2340321), (27, 780107), (41, 513729), (53, 397413), (123, 171243), (159, 132471), (359, 58671), (369, 57081), (477, 44157), (1077, 19557), (1107, 19027), (1431, 14719), (2173, 9693), (3231, 6519)]