21439726

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6053}}^1$

素因数の和:6096

約数の個数: 32

約数和(自身を含む): 41845248

約数和(自身を除く): 20405522

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 6053, 12106, 42371, 66583, 84742, 133166, 139219, 278438, 466081, 932162, 974533, 1531409, 1949066, 3062818, 10719863, 21439726]

約数ペア:

[(1, 21439726), (2, 10719863), (7, 3062818), (11, 1949066), (14, 1531409), (22, 974533), (23, 932162), (46, 466081), (77, 278438), (154, 139219), (161, 133166), (253, 84742), (322, 66583), (506, 42371), (1771, 12106), (3542, 6053)]