21444939

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2459}}^1$

素因数の和:2504

約数の個数: 32

約数和(自身を含む): 35424000

約数和(自身を除く): 13979061

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 323, 459, 513, 969, 2459, 2907, 7377, 8721, 22131, 41803, 46721, 66393, 125409, 140163, 376227, 420489, 794257, 1128681, 1261467, 2382771, 7148313, 21444939]

約数ペア:

[(1, 21444939), (3, 7148313), (9, 2382771), (17, 1261467), (19, 1128681), (27, 794257), (51, 420489), (57, 376227), (153, 140163), (171, 125409), (323, 66393), (459, 46721), (513, 41803), (969, 22131), (2459, 8721), (2907, 7377)]