21864766

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6173}}^1$

素因数の和:6216

約数の個数: 32

約数和(自身を含む): 42674688

約数和(自身を除く): 20809922

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 6173, 12346, 43211, 67903, 86422, 135806, 141979, 283958, 475321, 950642, 993853, 1561769, 1987706, 3123538, 10932383, 21864766]

約数ペア:

[(1, 21864766), (2, 10932383), (7, 3123538), (11, 1987706), (14, 1561769), (22, 993853), (23, 950642), (46, 475321), (77, 283958), (154, 141979), (161, 135806), (253, 86422), (322, 67903), (506, 43211), (1771, 12346), (3542, 6173)]