21998418

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2029}}^1$

素因数の和:2186

約数の個数: 32

約数和(自身を含む): 47745600

約数和(自身を除く): 25747182

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 139, 278, 417, 834, 1807, 2029, 3614, 4058, 5421, 6087, 10842, 12174, 26377, 52754, 79131, 158262, 282031, 564062, 846093, 1692186, 3666403, 7332806, 10999209, 21998418]

約数ペア:

[(1, 21998418), (2, 10999209), (3, 7332806), (6, 3666403), (13, 1692186), (26, 846093), (39, 564062), (78, 282031), (139, 158262), (278, 79131), (417, 52754), (834, 26377), (1807, 12174), (2029, 10842), (3614, 6087), (4058, 5421)]