21348304

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{12241}}^1$

素因数の和:12358

約数の個数: 20

約数和(自身を含む): 41745220

約数和(自身を除く): 20396916

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 12241, 24482, 48964, 97928, 195856, 1334269, 2668538, 5337076, 10674152, 21348304]

約数ペア:

[(1, 21348304), (2, 10674152), (4, 5337076), (8, 2668538), (16, 1334269), (109, 195856), (218, 97928), (436, 48964), (872, 24482), (1744, 12241)]