21080115

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{22307}}^1$

素因数の和:22328

約数の個数: 32

約数和(自身を含む): 42831360

約数和(自身を除く): 21751245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 22307, 66921, 111535, 156149, 200763, 334605, 468447, 602289, 780745, 1003815, 1405341, 2342235, 3011445, 4216023, 7026705, 21080115]

約数ペア:

[(1, 21080115), (3, 7026705), (5, 4216023), (7, 3011445), (9, 2342235), (15, 1405341), (21, 1003815), (27, 780745), (35, 602289), (45, 468447), (63, 334605), (105, 200763), (135, 156149), (189, 111535), (315, 66921), (945, 22307)]