21124251

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1367}}^1$

素因数の和:1491

約数の個数: 24

約数和(自身を含む): 32651424

約数和(自身を除く): 11527173

約数列:

[1, 3, 9, 17, 51, 101, 153, 303, 909, 1367, 1717, 4101, 5151, 12303, 15453, 23239, 69717, 138067, 209151, 414201, 1242603, 2347139, 7041417, 21124251]

約数ペア:

[(1, 21124251), (3, 7041417), (9, 2347139), (17, 1242603), (51, 414201), (101, 209151), (153, 138067), (303, 69717), (909, 23239), (1367, 15453), (1717, 12303), (4101, 5151)]