21269151

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4289}}^1$

素因数の和:4343

約数の個数: 24

約数和(自身を含む): 33462000

約数和(自身を除く): 12192849

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4289, 4959, 12867, 38601, 81491, 124381, 244473, 373143, 733419, 1119429, 2363239, 7089717, 21269151]

約数ペア:

[(1, 21269151), (3, 7089717), (9, 2363239), (19, 1119429), (29, 733419), (57, 373143), (87, 244473), (171, 124381), (261, 81491), (551, 38601), (1653, 12867), (4289, 4959)]