21412105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29947}}^1$

素因数の和:29976

約数の個数: 16

約数和(自身を含む): 30187584

約数和(自身を除く): 8775479

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 29947, 149735, 329417, 389311, 1647085, 1946555, 4282421, 21412105]

約数ペア:

[(1, 21412105), (5, 4282421), (11, 1946555), (13, 1647085), (55, 389311), (65, 329417), (143, 149735), (715, 29947)]