21016545

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127373}}^1$

素因数の和:127392

約数の個数: 16

約数和(自身を含む): 36683712

約数和(自身を除く): 15667167

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 127373, 382119, 636865, 1401103, 1910595, 4203309, 7005515, 21016545]

約数ペア:

[(1, 21016545), (3, 7005515), (5, 4203309), (11, 1910595), (15, 1401103), (33, 636865), (55, 382119), (165, 127373)]