21079485

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{66919}}^1$

素因数の和:66937

約数の個数: 24

約数和(自身を含む): 41758080

約数和(自身を除く): 20678595

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 66919, 200757, 334595, 468433, 602271, 1003785, 1405299, 2342165, 3011355, 4215897, 7026495, 21079485]

約数ペア:

[(1, 21079485), (3, 7026495), (5, 4215897), (7, 3011355), (9, 2342165), (15, 1405299), (21, 1003785), (35, 602271), (45, 468433), (63, 334595), (105, 200757), (315, 66919)]