20961276

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{249539}}^1$

素因数の和:249553

約数の個数: 24

約数和(自身を含む): 55896960

約数和(自身を除く): 34935684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 249539, 499078, 748617, 998156, 1497234, 1746773, 2994468, 3493546, 5240319, 6987092, 10480638, 20961276]

約数ペア:

[(1, 20961276), (2, 10480638), (3, 6987092), (4, 5240319), (6, 3493546), (7, 2994468), (12, 1746773), (14, 1497234), (21, 998156), (28, 748617), (42, 499078), (84, 249539)]