21585812545

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{272359}}^1$

素因数の和:272517

約数の個数: 24

約数和(自身を含む): 28689312960

約数和(自身を除く): 7103500415

約数列:

[1, 5, 11, 55, 121, 131, 605, 655, 1441, 7205, 15851, 79255, 272359, 1361795, 2995949, 14979745, 32955439, 35679029, 164777195, 178395145, 392469319, 1962346595, 4317162509, 21585812545]

約数ペア:

[(1, 21585812545), (5, 4317162509), (11, 1962346595), (55, 392469319), (121, 178395145), (131, 164777195), (605, 35679029), (655, 32955439), (1441, 14979745), (7205, 2995949), (15851, 1361795), (79255, 272359)]