21946738

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{3943}}^1$

素因数の和:3990

約数の個数: 24

約数和(自身を含む): 37767744

約数和(自身を除く): 15821006

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 506, 2783, 3943, 5566, 7886, 43373, 86746, 90689, 181378, 477103, 954206, 997579, 1995158, 10973369, 21946738]

約数ペア:

[(1, 21946738), (2, 10973369), (11, 1995158), (22, 997579), (23, 954206), (46, 477103), (121, 181378), (242, 90689), (253, 86746), (506, 43373), (2783, 7886), (3943, 5566)]