21299949

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2473}}^1$

素因数の和:2522

約数の個数: 32

約数和(自身を含む): 35625600

約数和(自身を除く): 14325651

約数列:

[1, 3, 9, 11, 27, 29, 33, 87, 99, 261, 297, 319, 783, 957, 2473, 2871, 7419, 8613, 22257, 27203, 66771, 71717, 81609, 215151, 244827, 645453, 734481, 788887, 1936359, 2366661, 7099983, 21299949]

約数ペア:

[(1, 21299949), (3, 7099983), (9, 2366661), (11, 1936359), (27, 788887), (29, 734481), (33, 645453), (87, 244827), (99, 215151), (261, 81609), (297, 71717), (319, 66771), (783, 27203), (957, 22257), (2473, 8613), (2871, 7419)]