21051245

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{3541}}^1$

素因数の和:3616

約数の個数: 16

約数和(自身を含む): 26777520

約数和(自身を除く): 5726275

約数列:

[1, 5, 29, 41, 145, 205, 1189, 3541, 5945, 17705, 102689, 145181, 513445, 725905, 4210249, 21051245]

約数ペア:

[(1, 21051245), (5, 4210249), (29, 725905), (41, 513445), (145, 145181), (205, 102689), (1189, 17705), (3541, 5945)]