21076475

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4153}}^1$

素因数の和:4199

約数の個数: 24

約数和(自身を含む): 30905760

約数和(自身を除く): 9829285

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 725, 1015, 4153, 5075, 20765, 29071, 103825, 120437, 145355, 602185, 726775, 843059, 3010925, 4215295, 21076475]

約数ペア:

[(1, 21076475), (5, 4215295), (7, 3010925), (25, 843059), (29, 726775), (35, 602185), (145, 145355), (175, 120437), (203, 103825), (725, 29071), (1015, 20765), (4153, 5075)]