21551207425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4124633}}^1$

素因数の和:4124673

約数の個数: 24

約数和(自身を含む): 30687276960

約数和(自身を除く): 9136069535

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 4124633, 20623165, 45370963, 78368027, 103115825, 226854815, 391840135, 862048297, 1134274075, 1959200675, 4310241485, 21551207425]

約数ペア:

[(1, 21551207425), (5, 4310241485), (11, 1959200675), (19, 1134274075), (25, 862048297), (55, 391840135), (95, 226854815), (209, 103115825), (275, 78368027), (475, 45370963), (1045, 20623165), (5225, 4124633)]